1990694688

素因数分解:

$2^5\times 3^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1\times {\mathrm{491}}^1$

素因数の和:930

約数の個数: 96

約数和(自身を含む): 5289157440

約数和(自身を除く): 3298462752

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 157, 269, 314, 471, 491, 538, 628, 807, 942, 982, 1076, 1256, 1473, 1614, 1884, 1964, 2152, 2512, 2946, 3228, 3768, 3928, 4304, 5024, 5892, 6456, 7536, 7856, 8608, 11784, 12912, 15072, 15712, 23568, 25824, 42233, 47136, 77087, 84466, 126699, 132079, 154174, 168932, 231261, 253398, 264158, 308348, 337864, 396237, 462522, 506796, 528316, 616696, 675728, 792474, 925044, 1013592, 1056632, 1233392, 1351456, 1584948, 1850088, 2027184, 2113264, 2466784, 3169896, 3700176, 4054368, 4226528, 6339792, 7400352, 12679584, 20736403, 41472806, 62209209, 82945612, 124418418, 165891224, 248836836, 331782448, 497673672, 663564896, 995347344, 1990694688]

約数ペア:

[(1, 1990694688), (2, 995347344), (3, 663564896), (4, 497673672), (6, 331782448), (8, 248836836), (12, 165891224), (16, 124418418), (24, 82945612), (32, 62209209), (48, 41472806), (96, 20736403), (157, 12679584), (269, 7400352), (314, 6339792), (471, 4226528), (491, 4054368), (538, 3700176), (628, 3169896), (807, 2466784), (942, 2113264), (982, 2027184), (1076, 1850088), (1256, 1584948), (1473, 1351456), (1614, 1233392), (1884, 1056632), (1964, 1013592), (2152, 925044), (2512, 792474), (2946, 675728), (3228, 616696), (3768, 528316), (3928, 506796), (4304, 462522), (5024, 396237), (5892, 337864), (6456, 308348), (7536, 264158), (7856, 253398), (8608, 231261), (11784, 168932), (12912, 154174), (15072, 132079), (15712, 126699), (23568, 84466), (25824, 77087), (42233, 47136)]