87890460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{209263}}^1$

素因数の和:209282

約数の個数: 48

約数和(自身を含む): 281250816

約数和(自身を除く): 193360356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 209263, 418526, 627789, 837052, 1046315, 1255578, 1464841, 2092630, 2511156, 2929682, 3138945, 4185260, 4394523, 5859364, 6277890, 7324205, 8789046, 12555780, 14648410, 17578092, 21972615, 29296820, 43945230, 87890460]

約数ペア:

[(1, 87890460), (2, 43945230), (3, 29296820), (4, 21972615), (5, 17578092), (6, 14648410), (7, 12555780), (10, 8789046), (12, 7324205), (14, 6277890), (15, 5859364), (20, 4394523), (21, 4185260), (28, 3138945), (30, 2929682), (35, 2511156), (42, 2092630), (60, 1464841), (70, 1255578), (84, 1046315), (105, 837052), (140, 627789), (210, 418526), (420, 209263)]