389790108

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 1069286400

約数和(自身を除く): 679496292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 59, 69, 79, 92, 101, 118, 138, 158, 177, 202, 207, 236, 237, 276, 303, 316, 354, 404, 414, 474, 531, 606, 708, 711, 828, 909, 948, 1062, 1212, 1357, 1422, 1817, 1818, 2124, 2323, 2714, 2844, 3634, 3636, 4071, 4646, 4661, 5428, 5451, 5959, 6969, 7268, 7979, 8142, 9292, 9322, 10902, 11918, 12213, 13938, 13983, 15958, 16284, 16353, 17877, 18644, 20907, 21804, 23836, 23937, 24426, 27876, 27966, 31916, 32706, 35754, 41814, 41949, 47874, 48852, 53631, 55932, 65412, 71508, 71811, 83628, 83898, 95748, 107203, 107262, 137057, 143622, 167796, 183517, 214406, 214524, 274114, 287244, 321609, 367034, 411171, 428812, 470761, 548228, 550551, 643218, 734068, 822342, 941522, 964827, 1101102, 1233513, 1286436, 1412283, 1644684, 1651653, 1883044, 1929654, 2202204, 2467026, 2824566, 3303306, 3859308, 4236849, 4934052, 5649132, 6606612, 8473698, 10827503, 16947396, 21655006, 32482509, 43310012, 64965018, 97447527, 129930036, 194895054, 389790108]

約数ペア:

[(1, 389790108), (2, 194895054), (3, 129930036), (4, 97447527), (6, 64965018), (9, 43310012), (12, 32482509), (18, 21655006), (23, 16947396), (36, 10827503), (46, 8473698), (59, 6606612), (69, 5649132), (79, 4934052), (92, 4236849), (101, 3859308), (118, 3303306), (138, 2824566), (158, 2467026), (177, 2202204), (202, 1929654), (207, 1883044), (236, 1651653), (237, 1644684), (276, 1412283), (303, 1286436), (316, 1233513), (354, 1101102), (404, 964827), (414, 941522), (474, 822342), (531, 734068), (606, 643218), (708, 550551), (711, 548228), (828, 470761), (909, 428812), (948, 411171), (1062, 367034), (1212, 321609), (1357, 287244), (1422, 274114), (1817, 214524), (1818, 214406), (2124, 183517), (2323, 167796), (2714, 143622), (2844, 137057), (3634, 107262), (3636, 107203), (4071, 95748), (4646, 83898), (4661, 83628), (5428, 71811), (5451, 71508), (5959, 65412), (6969, 55932), (7268, 53631), (7979, 48852), (8142, 47874), (9292, 41949), (9322, 41814), (10902, 35754), (11918, 32706), (12213, 31916), (13938, 27966), (13983, 27876), (15958, 24426), (16284, 23937), (16353, 23836), (17877, 21804), (18644, 20907)]