891139970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{18749}}^1$

素因数の和:18867

約数の個数: 48

約数和(自身を含む): 1885275000

約数和(自身を除く): 994135030

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 97, 98, 194, 245, 485, 490, 679, 970, 1358, 3395, 4753, 6790, 9506, 18749, 23765, 37498, 47530, 93745, 131243, 187490, 262486, 656215, 918701, 1312430, 1818653, 1837402, 3637306, 4593505, 9093265, 9187010, 12730571, 18186530, 25461142, 63652855, 89113997, 127305710, 178227994, 445569985, 891139970]

約数ペア:

[(1, 891139970), (2, 445569985), (5, 178227994), (7, 127305710), (10, 89113997), (14, 63652855), (35, 25461142), (49, 18186530), (70, 12730571), (97, 9187010), (98, 9093265), (194, 4593505), (245, 3637306), (485, 1837402), (490, 1818653), (679, 1312430), (970, 918701), (1358, 656215), (3395, 262486), (4753, 187490), (6790, 131243), (9506, 93745), (18749, 47530), (23765, 37498)]