64283650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:619

約数の個数: 48

約数和(自身を含む): 126956160

約数和(自身を除く): 62672510

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 157, 190, 314, 431, 475, 785, 862, 950, 1570, 2155, 2983, 3925, 4310, 5966, 7850, 8189, 10775, 14915, 16378, 21550, 29830, 40945, 67667, 74575, 81890, 135334, 149150, 204725, 338335, 409450, 676670, 1285673, 1691675, 2571346, 3383350, 6428365, 12856730, 32141825, 64283650]

約数ペア:

[(1, 64283650), (2, 32141825), (5, 12856730), (10, 6428365), (19, 3383350), (25, 2571346), (38, 1691675), (50, 1285673), (95, 676670), (157, 409450), (190, 338335), (314, 204725), (431, 149150), (475, 135334), (785, 81890), (862, 74575), (950, 67667), (1570, 40945), (2155, 29830), (2983, 21550), (3925, 16378), (4310, 14915), (5966, 10775), (7850, 8189)]