130808440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{66739}}^1$

素因数の和:66764

約数の個数: 48

約数和(自身を含む): 342376200

約数和(自身を除く): 211567760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 66739, 133478, 266956, 333695, 467173, 533912, 667390, 934346, 1334780, 1868692, 2335865, 2669560, 3270211, 3737384, 4671730, 6540422, 9343460, 13080844, 16351055, 18686920, 26161688, 32702110, 65404220, 130808440]

約数ペア:

[(1, 130808440), (2, 65404220), (4, 32702110), (5, 26161688), (7, 18686920), (8, 16351055), (10, 13080844), (14, 9343460), (20, 6540422), (28, 4671730), (35, 3737384), (40, 3270211), (49, 2669560), (56, 2335865), (70, 1868692), (98, 1334780), (140, 934346), (196, 667390), (245, 533912), (280, 467173), (392, 333695), (490, 266956), (980, 133478), (1960, 66739)]