64204100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 145824000

約数和(自身を除く): 81619900

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 139, 149, 155, 278, 298, 310, 556, 596, 620, 695, 745, 775, 1390, 1490, 1550, 2780, 2980, 3100, 3475, 3725, 4309, 4619, 6950, 7450, 8618, 9238, 13900, 14900, 17236, 18476, 20711, 21545, 23095, 41422, 43090, 46190, 82844, 86180, 92380, 103555, 107725, 115475, 207110, 215450, 230950, 414220, 430900, 461900, 517775, 642041, 1035550, 1284082, 2071100, 2568164, 3210205, 6420410, 12840820, 16051025, 32102050, 64204100]

約数ペア:

[(1, 64204100), (2, 32102050), (4, 16051025), (5, 12840820), (10, 6420410), (20, 3210205), (25, 2568164), (31, 2071100), (50, 1284082), (62, 1035550), (100, 642041), (124, 517775), (139, 461900), (149, 430900), (155, 414220), (278, 230950), (298, 215450), (310, 207110), (556, 115475), (596, 107725), (620, 103555), (695, 92380), (745, 86180), (775, 82844), (1390, 46190), (1490, 43090), (1550, 41422), (2780, 23095), (2980, 21545), (3100, 20711), (3475, 18476), (3725, 17236), (4309, 14900), (4619, 13900), (6950, 9238), (7450, 8618)]