488339900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8291}}^1$

素因数の和:8355

約数の個数: 72

約数和(自身を含む): 1151592960

約数和(自身を除く): 663253060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 155, 190, 310, 380, 475, 589, 620, 775, 950, 1178, 1550, 1900, 2356, 2945, 3100, 5890, 8291, 11780, 14725, 16582, 29450, 33164, 41455, 58900, 82910, 157529, 165820, 207275, 257021, 315058, 414550, 514042, 630116, 787645, 829100, 1028084, 1285105, 1575290, 2570210, 3150580, 3938225, 4883399, 5140420, 6425525, 7876450, 9766798, 12851050, 15752900, 19533596, 24416995, 25702100, 48833990, 97667980, 122084975, 244169950, 488339900]

約数ペア:

[(1, 488339900), (2, 244169950), (4, 122084975), (5, 97667980), (10, 48833990), (19, 25702100), (20, 24416995), (25, 19533596), (31, 15752900), (38, 12851050), (50, 9766798), (62, 7876450), (76, 6425525), (95, 5140420), (100, 4883399), (124, 3938225), (155, 3150580), (190, 2570210), (310, 1575290), (380, 1285105), (475, 1028084), (589, 829100), (620, 787645), (775, 630116), (950, 514042), (1178, 414550), (1550, 315058), (1900, 257021), (2356, 207275), (2945, 165820), (3100, 157529), (5890, 82910), (8291, 58900), (11780, 41455), (14725, 33164), (16582, 29450)]