187777460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1483}}^1$

素因数の和:1992

約数の個数: 48

約数和(自身を含む): 425824896

約数和(自身を除く): 238047436

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 487, 974, 1483, 1948, 2435, 2966, 4870, 5932, 6331, 7415, 9740, 12662, 14830, 19279, 25324, 29660, 31655, 38558, 63310, 77116, 96395, 126620, 192790, 385580, 722221, 1444442, 2888884, 3611105, 7222210, 9388873, 14444420, 18777746, 37555492, 46944365, 93888730, 187777460]

約数ペア:

[(1, 187777460), (2, 93888730), (4, 46944365), (5, 37555492), (10, 18777746), (13, 14444420), (20, 9388873), (26, 7222210), (52, 3611105), (65, 2888884), (130, 1444442), (260, 722221), (487, 385580), (974, 192790), (1483, 126620), (1948, 96395), (2435, 77116), (2966, 63310), (4870, 38558), (5932, 31655), (6331, 29660), (7415, 25324), (9740, 19279), (12662, 14830)]