312565540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{13697}}^1$

素因数の和:13876

約数の個数: 48

約数和(自身を含む): 754814592

約数和(自身を除く): 442249052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 4564, 5705, 11410, 13697, 22820, 27394, 54788, 68485, 95879, 136970, 191758, 273940, 383516, 479395, 958790, 1917580, 2232611, 4465222, 8930444, 11163055, 15628277, 22326110, 31256554, 44652220, 62513108, 78141385, 156282770, 312565540]

約数ペア:

[(1, 312565540), (2, 156282770), (4, 78141385), (5, 62513108), (7, 44652220), (10, 31256554), (14, 22326110), (20, 15628277), (28, 11163055), (35, 8930444), (70, 4465222), (140, 2232611), (163, 1917580), (326, 958790), (652, 479395), (815, 383516), (1141, 273940), (1630, 191758), (2282, 136970), (3260, 95879), (4564, 68485), (5705, 54788), (11410, 27394), (13697, 22820)]