70216550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:641

約数の個数: 48

約数和(自身を含む): 136598400

約数和(自身を除く): 66381850

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 89, 155, 178, 310, 445, 509, 775, 890, 1018, 1550, 2225, 2545, 2759, 4450, 5090, 5518, 12725, 13795, 15779, 25450, 27590, 31558, 45301, 68975, 78895, 90602, 137950, 157790, 226505, 394475, 453010, 788950, 1132525, 1404331, 2265050, 2808662, 7021655, 14043310, 35108275, 70216550]

約数ペア:

[(1, 70216550), (2, 35108275), (5, 14043310), (10, 7021655), (25, 2808662), (31, 2265050), (50, 1404331), (62, 1132525), (89, 788950), (155, 453010), (178, 394475), (310, 226505), (445, 157790), (509, 137950), (775, 90602), (890, 78895), (1018, 68975), (1550, 45301), (2225, 31558), (2545, 27590), (2759, 25450), (4450, 15779), (5090, 13795), (5518, 12725)]