1989900108

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1031}}^1$

素因数の和:1114

約数の個数: 240

約数和(自身を含む): 6377462784

約数和(自身を除く): 4387562676

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 37, 42, 46, 54, 63, 69, 74, 81, 84, 92, 108, 111, 126, 138, 148, 161, 162, 189, 207, 222, 252, 259, 276, 322, 324, 333, 378, 414, 444, 483, 518, 567, 621, 644, 666, 756, 777, 828, 851, 966, 999, 1031, 1036, 1134, 1242, 1332, 1449, 1554, 1702, 1863, 1932, 1998, 2062, 2268, 2331, 2484, 2553, 2898, 2997, 3093, 3108, 3404, 3726, 3996, 4124, 4347, 4662, 5106, 5796, 5957, 5994, 6186, 6993, 7217, 7452, 7659, 8694, 9279, 9324, 10212, 11914, 11988, 12372, 13041, 13986, 14434, 15318, 17388, 17871, 18558, 20979, 21651, 22977, 23713, 23828, 26082, 27837, 27972, 28868, 30636, 35742, 37116, 38147, 41958, 43302, 45954, 47426, 52164, 53613, 55674, 64953, 68931, 71139, 71484, 76294, 83511, 83916, 86604, 91908, 94852, 107226, 111348, 114441, 129906, 137862, 142278, 152588, 160839, 165991, 167022, 194859, 213417, 214452, 228882, 259812, 267029, 275724, 284556, 321678, 331982, 334044, 343323, 389718, 426834, 457764, 482517, 497973, 534058, 584577, 640251, 643356, 663964, 686646, 779436, 801087, 853668, 877381, 965034, 995946, 1029969, 1068116, 1169154, 1280502, 1373292, 1493919, 1602174, 1754762, 1920753, 1930068, 1991892, 2059938, 2338308, 2403261, 2561004, 2632143, 2987838, 3089907, 3204348, 3509524, 3841506, 4119876, 4481757, 4806522, 5264286, 5975676, 6141667, 6179814, 7209783, 7683012, 7896429, 8963514, 9613044, 10528572, 12283334, 12359628, 13445271, 14419566, 15792858, 17927028, 18425001, 21629349, 23689287, 24566668, 26890542, 28839132, 31585716, 36850002, 43258698, 47378574, 53781084, 55275003, 71067861, 73700004, 86517396, 94757148, 110550006, 142135722, 165825009, 221100012, 284271444, 331650018, 497475027, 663300036, 994950054, 1989900108]

約数ペア:

[(1, 1989900108), (2, 994950054), (3, 663300036), (4, 497475027), (6, 331650018), (7, 284271444), (9, 221100012), (12, 165825009), (14, 142135722), (18, 110550006), (21, 94757148), (23, 86517396), (27, 73700004), (28, 71067861), (36, 55275003), (37, 53781084), (42, 47378574), (46, 43258698), (54, 36850002), (63, 31585716), (69, 28839132), (74, 26890542), (81, 24566668), (84, 23689287), (92, 21629349), (108, 18425001), (111, 17927028), (126, 15792858), (138, 14419566), (148, 13445271), (161, 12359628), (162, 12283334), (189, 10528572), (207, 9613044), (222, 8963514), (252, 7896429), (259, 7683012), (276, 7209783), (322, 6179814), (324, 6141667), (333, 5975676), (378, 5264286), (414, 4806522), (444, 4481757), (483, 4119876), (518, 3841506), (567, 3509524), (621, 3204348), (644, 3089907), (666, 2987838), (756, 2632143), (777, 2561004), (828, 2403261), (851, 2338308), (966, 2059938), (999, 1991892), (1031, 1930068), (1036, 1920753), (1134, 1754762), (1242, 1602174), (1332, 1493919), (1449, 1373292), (1554, 1280502), (1702, 1169154), (1863, 1068116), (1932, 1029969), (1998, 995946), (2062, 965034), (2268, 877381), (2331, 853668), (2484, 801087), (2553, 779436), (2898, 686646), (2997, 663964), (3093, 643356), (3108, 640251), (3404, 584577), (3726, 534058), (3996, 497973), (4124, 482517), (4347, 457764), (4662, 426834), (5106, 389718), (5796, 343323), (5957, 334044), (5994, 331982), (6186, 321678), (6993, 284556), (7217, 275724), (7452, 267029), (7659, 259812), (8694, 228882), (9279, 214452), (9324, 213417), (10212, 194859), (11914, 167022), (11988, 165991), (12372, 160839), (13041, 152588), (13986, 142278), (14434, 137862), (15318, 129906), (17388, 114441), (17871, 111348), (18558, 107226), (20979, 94852), (21651, 91908), (22977, 86604), (23713, 83916), (23828, 83511), (26082, 76294), (27837, 71484), (27972, 71139), (28868, 68931), (30636, 64953), (35742, 55674), (37116, 53613), (38147, 52164), (41958, 47426), (43302, 45954)]