8871460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 20286000

約数和(自身を除く): 11414540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 229, 260, 298, 458, 596, 745, 916, 1145, 1490, 1937, 2290, 2977, 2980, 3874, 4580, 5954, 7748, 9685, 11908, 14885, 19370, 29770, 34121, 38740, 59540, 68242, 136484, 170605, 341210, 443573, 682420, 887146, 1774292, 2217865, 4435730, 8871460]

約数ペア:

[(1, 8871460), (2, 4435730), (4, 2217865), (5, 1774292), (10, 887146), (13, 682420), (20, 443573), (26, 341210), (52, 170605), (65, 136484), (130, 68242), (149, 59540), (229, 38740), (260, 34121), (298, 29770), (458, 19370), (596, 14885), (745, 11908), (916, 9685), (1145, 7748), (1490, 5954), (1937, 4580), (2290, 3874), (2977, 2980)]