1271928140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{293071}}^1$

素因数の和:293118

約数の個数: 48

約数和(自身を含む): 3151110144

約数和(自身を除く): 1879182004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 293071, 586142, 1172284, 1465355, 2051497, 2930710, 4102994, 5861420, 8205988, 9085201, 10257485, 18170402, 20514970, 36340804, 41029940, 45426005, 63596407, 90852010, 127192814, 181704020, 254385628, 317982035, 635964070, 1271928140]

約数ペア:

[(1, 1271928140), (2, 635964070), (4, 317982035), (5, 254385628), (7, 181704020), (10, 127192814), (14, 90852010), (20, 63596407), (28, 45426005), (31, 41029940), (35, 36340804), (62, 20514970), (70, 18170402), (124, 10257485), (140, 9085201), (155, 8205988), (217, 5861420), (310, 4102994), (434, 2930710), (620, 2051497), (868, 1465355), (1085, 1172284), (2170, 586142), (4340, 293071)]