7941700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 19139400

約数和(自身を除く): 11197700

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 130, 149, 164, 205, 260, 298, 325, 410, 533, 596, 650, 745, 820, 1025, 1066, 1300, 1490, 1937, 2050, 2132, 2665, 2980, 3725, 3874, 4100, 5330, 6109, 7450, 7748, 9685, 10660, 12218, 13325, 14900, 19370, 24436, 26650, 30545, 38740, 48425, 53300, 61090, 79417, 96850, 122180, 152725, 158834, 193700, 305450, 317668, 397085, 610900, 794170, 1588340, 1985425, 3970850, 7941700]

約数ペア:

[(1, 7941700), (2, 3970850), (4, 1985425), (5, 1588340), (10, 794170), (13, 610900), (20, 397085), (25, 317668), (26, 305450), (41, 193700), (50, 158834), (52, 152725), (65, 122180), (82, 96850), (100, 79417), (130, 61090), (149, 53300), (164, 48425), (205, 38740), (260, 30545), (298, 26650), (325, 24436), (410, 19370), (533, 14900), (596, 13325), (650, 12218), (745, 10660), (820, 9685), (1025, 7748), (1066, 7450), (1300, 6109), (1490, 5330), (1937, 4100), (2050, 3874), (2132, 3725), (2665, 2980)]