4261880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 11335680

約数和(自身を除く): 7073800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 491, 620, 868, 982, 1085, 1240, 1736, 1964, 2170, 2455, 3437, 3928, 4340, 4910, 6874, 8680, 9820, 13748, 15221, 17185, 19640, 27496, 30442, 34370, 60884, 68740, 76105, 106547, 121768, 137480, 152210, 213094, 304420, 426188, 532735, 608840, 852376, 1065470, 2130940, 4261880]

約数ペア:

[(1, 4261880), (2, 2130940), (4, 1065470), (5, 852376), (7, 608840), (8, 532735), (10, 426188), (14, 304420), (20, 213094), (28, 152210), (31, 137480), (35, 121768), (40, 106547), (56, 76105), (62, 68740), (70, 60884), (124, 34370), (140, 30442), (155, 27496), (217, 19640), (248, 17185), (280, 15221), (310, 13748), (434, 9820), (491, 8680), (620, 6874), (868, 4910), (982, 4340), (1085, 3928), (1240, 3437), (1736, 2455), (1964, 2170)]