440172736

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:857

約数の個数: 56

約数和(自身を含む): 892856736

約数和(自身を除く): 452684000

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 157, 284, 314, 568, 617, 628, 1136, 1234, 1256, 2272, 2468, 2512, 4544, 4936, 5024, 9872, 10048, 11147, 19744, 22294, 39488, 43807, 44588, 87614, 89176, 96869, 175228, 178352, 193738, 350456, 356704, 387476, 700912, 713408, 774952, 1401824, 1549904, 2803648, 3099808, 6199616, 6877699, 13755398, 27510796, 55021592, 110043184, 220086368, 440172736]

約数ペア:

[(1, 440172736), (2, 220086368), (4, 110043184), (8, 55021592), (16, 27510796), (32, 13755398), (64, 6877699), (71, 6199616), (142, 3099808), (157, 2803648), (284, 1549904), (314, 1401824), (568, 774952), (617, 713408), (628, 700912), (1136, 387476), (1234, 356704), (1256, 350456), (2272, 193738), (2468, 178352), (2512, 175228), (4544, 96869), (4936, 89176), (5024, 87614), (9872, 44588), (10048, 43807), (11147, 39488), (19744, 22294)]