209384760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1699}}^1$

素因数の和:1805

約数の個数: 128

約数和(自身を含む): 685440000

約数和(自身を除く): 476055240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 79, 104, 120, 130, 156, 158, 195, 237, 260, 312, 316, 390, 395, 474, 520, 632, 780, 790, 948, 1027, 1185, 1560, 1580, 1699, 1896, 2054, 2370, 3081, 3160, 3398, 4108, 4740, 5097, 5135, 6162, 6796, 8216, 8495, 9480, 10194, 10270, 12324, 13592, 15405, 16990, 20388, 20540, 22087, 24648, 25485, 30810, 33980, 40776, 41080, 44174, 50970, 61620, 66261, 67960, 88348, 101940, 110435, 123240, 132522, 134221, 176696, 203880, 220870, 265044, 268442, 331305, 402663, 441740, 530088, 536884, 662610, 671105, 805326, 883480, 1073768, 1325220, 1342210, 1610652, 1744873, 2013315, 2650440, 2684420, 3221304, 3489746, 4026630, 5234619, 5368840, 6979492, 8053260, 8724365, 10469238, 13958984, 16106520, 17448730, 20938476, 26173095, 34897460, 41876952, 52346190, 69794920, 104692380, 209384760]

約数ペア:

[(1, 209384760), (2, 104692380), (3, 69794920), (4, 52346190), (5, 41876952), (6, 34897460), (8, 26173095), (10, 20938476), (12, 17448730), (13, 16106520), (15, 13958984), (20, 10469238), (24, 8724365), (26, 8053260), (30, 6979492), (39, 5368840), (40, 5234619), (52, 4026630), (60, 3489746), (65, 3221304), (78, 2684420), (79, 2650440), (104, 2013315), (120, 1744873), (130, 1610652), (156, 1342210), (158, 1325220), (195, 1073768), (237, 883480), (260, 805326), (312, 671105), (316, 662610), (390, 536884), (395, 530088), (474, 441740), (520, 402663), (632, 331305), (780, 268442), (790, 265044), (948, 220870), (1027, 203880), (1185, 176696), (1560, 134221), (1580, 132522), (1699, 123240), (1896, 110435), (2054, 101940), (2370, 88348), (3081, 67960), (3160, 66261), (3398, 61620), (4108, 50970), (4740, 44174), (5097, 41080), (5135, 40776), (6162, 33980), (6796, 30810), (8216, 25485), (8495, 24648), (9480, 22087), (10194, 20540), (10270, 20388), (12324, 16990), (13592, 15405)]