640003650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29837}}^1$

素因数の和:29876

約数の個数: 96

約数和(自身を含む): 1864755648

約数和(自身を除く): 1224751998

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 25, 26, 30, 33, 39, 50, 55, 65, 66, 75, 78, 110, 130, 143, 150, 165, 195, 275, 286, 325, 330, 390, 429, 550, 650, 715, 825, 858, 975, 1430, 1650, 1950, 2145, 3575, 4290, 7150, 10725, 21450, 29837, 59674, 89511, 149185, 179022, 298370, 328207, 387881, 447555, 656414, 745925, 775762, 895110, 984621, 1163643, 1491850, 1641035, 1939405, 1969242, 2237775, 2327286, 3282070, 3878810, 4266691, 4475550, 4923105, 5818215, 8205175, 8533382, 9697025, 9846210, 11636430, 12800073, 16410350, 19394050, 21333455, 24615525, 25600146, 29091075, 42666910, 49231050, 58182150, 64000365, 106667275, 128000730, 213334550, 320001825, 640003650]

約数ペア:

[(1, 640003650), (2, 320001825), (3, 213334550), (5, 128000730), (6, 106667275), (10, 64000365), (11, 58182150), (13, 49231050), (15, 42666910), (22, 29091075), (25, 25600146), (26, 24615525), (30, 21333455), (33, 19394050), (39, 16410350), (50, 12800073), (55, 11636430), (65, 9846210), (66, 9697025), (75, 8533382), (78, 8205175), (110, 5818215), (130, 4923105), (143, 4475550), (150, 4266691), (165, 3878810), (195, 3282070), (275, 2327286), (286, 2237775), (325, 1969242), (330, 1939405), (390, 1641035), (429, 1491850), (550, 1163643), (650, 984621), (715, 895110), (825, 775762), (858, 745925), (975, 656414), (1430, 447555), (1650, 387881), (1950, 328207), (2145, 298370), (3575, 179022), (4290, 149185), (7150, 89511), (10725, 59674), (21450, 29837)]