1272272260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{8713}}^1$

素因数の和:8885

約数の個数: 72

約数和(自身を含む): 3129197400

約数和(自身を除く): 1856925140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 245, 298, 490, 596, 745, 980, 1043, 1490, 2086, 2980, 4172, 5215, 7301, 8713, 10430, 14602, 17426, 20860, 29204, 34852, 36505, 43565, 60991, 73010, 87130, 121982, 146020, 174260, 243964, 304955, 426937, 609910, 853874, 1219820, 1298237, 1707748, 2134685, 2596474, 4269370, 5192948, 6491185, 8538740, 9087659, 12982370, 18175318, 25964740, 36350636, 45438295, 63613613, 90876590, 127227226, 181753180, 254454452, 318068065, 636136130, 1272272260]

約数ペア:

[(1, 1272272260), (2, 636136130), (4, 318068065), (5, 254454452), (7, 181753180), (10, 127227226), (14, 90876590), (20, 63613613), (28, 45438295), (35, 36350636), (49, 25964740), (70, 18175318), (98, 12982370), (140, 9087659), (149, 8538740), (196, 6491185), (245, 5192948), (298, 4269370), (490, 2596474), (596, 2134685), (745, 1707748), (980, 1298237), (1043, 1219820), (1490, 853874), (2086, 609910), (2980, 426937), (4172, 304955), (5215, 243964), (7301, 174260), (8713, 146020), (10430, 121982), (14602, 87130), (17426, 73010), (20860, 60991), (29204, 43565), (34852, 36505)]