91231450

素因数分解:

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

素因数の和:943

約数の個数: 48

約数和(自身を含む): 177845760

約数和(自身を除く): 86614310

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 71, 142, 155, 310, 355, 710, 775, 829, 1550, 1658, 1775, 2201, 3550, 4145, 4402, 8290, 11005, 20725, 22010, 25699, 41450, 51398, 55025, 58859, 110050, 117718, 128495, 256990, 294295, 588590, 642475, 1284950, 1471475, 1824629, 2942950, 3649258, 9123145, 18246290, 45615725, 91231450]

約数ペア:

[(1, 91231450), (2, 45615725), (5, 18246290), (10, 9123145), (25, 3649258), (31, 2942950), (50, 1824629), (62, 1471475), (71, 1284950), (142, 642475), (155, 588590), (310, 294295), (355, 256990), (710, 128495), (775, 117718), (829, 110050), (1550, 58859), (1658, 55025), (1775, 51398), (2201, 41450), (3550, 25699), (4145, 22010), (4402, 20725), (8290, 11005)]