99997600

素因数分解:

$2^5\times 5^2\times {\mathrm{239}}^1\times {\mathrm{523}}^1$

素因数の和:782

約数の個数: 72

約数和(自身を含む): 245609280

約数和(自身を除く): 145611680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 239, 400, 478, 523, 800, 956, 1046, 1195, 1912, 2092, 2390, 2615, 3824, 4184, 4780, 5230, 5975, 7648, 8368, 9560, 10460, 11950, 13075, 16736, 19120, 20920, 23900, 26150, 38240, 41840, 47800, 52300, 83680, 95600, 104600, 124997, 191200, 209200, 249994, 418400, 499988, 624985, 999976, 1249970, 1999952, 2499940, 3124925, 3999904, 4999880, 6249850, 9999760, 12499700, 19999520, 24999400, 49998800, 99997600]

約数ペア:

[(1, 99997600), (2, 49998800), (4, 24999400), (5, 19999520), (8, 12499700), (10, 9999760), (16, 6249850), (20, 4999880), (25, 3999904), (32, 3124925), (40, 2499940), (50, 1999952), (80, 1249970), (100, 999976), (160, 624985), (200, 499988), (239, 418400), (400, 249994), (478, 209200), (523, 191200), (800, 124997), (956, 104600), (1046, 95600), (1195, 83680), (1912, 52300), (2092, 47800), (2390, 41840), (2615, 38240), (3824, 26150), (4184, 23900), (4780, 20920), (5230, 19120), (5975, 16736), (7648, 13075), (8368, 11950), (9560, 10460)]