1295486590

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^2\times {\mathrm{829}}^1$

素因数の和:1009

約数の個数: 48

約数和(自身を含む): 2444423040

約数和(自身を除く): 1148936450

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 829, 1658, 2201, 4145, 4402, 5041, 8290, 10082, 11005, 22010, 25205, 25699, 50410, 51398, 58859, 117718, 128495, 156271, 256990, 294295, 312542, 588590, 781355, 1562710, 1824629, 3649258, 4178989, 8357978, 9123145, 18246290, 20894945, 41789890, 129548659, 259097318, 647743295, 1295486590]

約数ペア:

[(1, 1295486590), (2, 647743295), (5, 259097318), (10, 129548659), (31, 41789890), (62, 20894945), (71, 18246290), (142, 9123145), (155, 8357978), (310, 4178989), (355, 3649258), (710, 1824629), (829, 1562710), (1658, 781355), (2201, 588590), (4145, 312542), (4402, 294295), (5041, 256990), (8290, 156271), (10082, 128495), (11005, 117718), (22010, 58859), (25205, 51398), (25699, 50410)]