678576050

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{4919}}^1$

素因数の和:5051

約数の個数: 48

約数和(自身を含む): 1317772800

約数和(自身を除く): 639196750

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 89, 155, 178, 310, 445, 775, 890, 1550, 2225, 2759, 4450, 4919, 5518, 9838, 13795, 24595, 27590, 49190, 68975, 122975, 137950, 152489, 245950, 304978, 437791, 762445, 875582, 1524890, 2188955, 3812225, 4377910, 7624450, 10944775, 13571521, 21889550, 27143042, 67857605, 135715210, 339288025, 678576050]

約数ペア:

[(1, 678576050), (2, 339288025), (5, 135715210), (10, 67857605), (25, 27143042), (31, 21889550), (50, 13571521), (62, 10944775), (89, 7624450), (155, 4377910), (178, 3812225), (310, 2188955), (445, 1524890), (775, 875582), (890, 762445), (1550, 437791), (2225, 304978), (2759, 245950), (4450, 152489), (4919, 137950), (5518, 122975), (9838, 68975), (13795, 49190), (24595, 27590)]