25150020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 81139968

約数和(自身を除く): 55989948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 233, 257, 420, 466, 514, 699, 771, 932, 1028, 1165, 1285, 1398, 1542, 1631, 1799, 2330, 2570, 2796, 3084, 3262, 3495, 3598, 3855, 4660, 4893, 5140, 5397, 6524, 6990, 7196, 7710, 8155, 8995, 9786, 10794, 13980, 15420, 16310, 17990, 19572, 21588, 24465, 26985, 32620, 35980, 48930, 53970, 59881, 97860, 107940, 119762, 179643, 239524, 299405, 359286, 419167, 598810, 718572, 838334, 898215, 1197620, 1257501, 1676668, 1796430, 2095835, 2515002, 3592860, 4191670, 5030004, 6287505, 8383340, 12575010, 25150020]

約数ペア:

[(1, 25150020), (2, 12575010), (3, 8383340), (4, 6287505), (5, 5030004), (6, 4191670), (7, 3592860), (10, 2515002), (12, 2095835), (14, 1796430), (15, 1676668), (20, 1257501), (21, 1197620), (28, 898215), (30, 838334), (35, 718572), (42, 598810), (60, 419167), (70, 359286), (84, 299405), (105, 239524), (140, 179643), (210, 119762), (233, 107940), (257, 97860), (420, 59881), (466, 53970), (514, 48930), (699, 35980), (771, 32620), (932, 26985), (1028, 24465), (1165, 21588), (1285, 19572), (1398, 17990), (1542, 16310), (1631, 15420), (1799, 13980), (2330, 10794), (2570, 9786), (2796, 8995), (3084, 8155), (3262, 7710), (3495, 7196), (3598, 6990), (3855, 6524), (4660, 5397), (4893, 5140)]