3129140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 7967232

約数和(自身を除く): 4838092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 103, 124, 140, 155, 196, 206, 217, 245, 310, 412, 434, 490, 515, 620, 721, 868, 980, 1030, 1085, 1442, 1519, 2060, 2170, 2884, 3038, 3193, 3605, 4340, 5047, 6076, 6386, 7210, 7595, 10094, 12772, 14420, 15190, 15965, 20188, 22351, 25235, 30380, 31930, 44702, 50470, 63860, 89404, 100940, 111755, 156457, 223510, 312914, 447020, 625828, 782285, 1564570, 3129140]

約数ペア:

[(1, 3129140), (2, 1564570), (4, 782285), (5, 625828), (7, 447020), (10, 312914), (14, 223510), (20, 156457), (28, 111755), (31, 100940), (35, 89404), (49, 63860), (62, 50470), (70, 44702), (98, 31930), (103, 30380), (124, 25235), (140, 22351), (155, 20188), (196, 15965), (206, 15190), (217, 14420), (245, 12772), (310, 10094), (412, 7595), (434, 7210), (490, 6386), (515, 6076), (620, 5047), (721, 4340), (868, 3605), (980, 3193), (1030, 3038), (1085, 2884), (1442, 2170), (1519, 2060)]