102578980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2851}}^1$

素因数の和:3124

約数の個数: 48

約数和(自身を含む): 247234176

約数和(自身を除く): 144655196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1799, 2570, 2851, 3598, 5140, 5702, 7196, 8995, 11404, 14255, 17990, 19957, 28510, 35980, 39914, 57020, 79828, 99785, 199570, 399140, 732707, 1465414, 2930828, 3663535, 5128949, 7327070, 10257898, 14654140, 20515796, 25644745, 51289490, 102578980]

約数ペア:

[(1, 102578980), (2, 51289490), (4, 25644745), (5, 20515796), (7, 14654140), (10, 10257898), (14, 7327070), (20, 5128949), (28, 3663535), (35, 2930828), (70, 1465414), (140, 732707), (257, 399140), (514, 199570), (1028, 99785), (1285, 79828), (1799, 57020), (2570, 39914), (2851, 35980), (3598, 28510), (5140, 19957), (5702, 17990), (7196, 14255), (8995, 11404)]