31352780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{829}}^1$

素因数の和:930

約数の個数: 48

約数和(自身を含む): 69162240

約数和(自身を除く): 37809460

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 829, 1220, 1658, 1891, 3316, 3782, 4145, 7564, 8290, 9455, 16580, 18910, 25699, 37820, 50569, 51398, 101138, 102796, 128495, 202276, 252845, 256990, 505690, 513980, 1011380, 1567639, 3135278, 6270556, 7838195, 15676390, 31352780]

約数ペア:

[(1, 31352780), (2, 15676390), (4, 7838195), (5, 6270556), (10, 3135278), (20, 1567639), (31, 1011380), (61, 513980), (62, 505690), (122, 256990), (124, 252845), (155, 202276), (244, 128495), (305, 102796), (310, 101138), (610, 51398), (620, 50569), (829, 37820), (1220, 25699), (1658, 18910), (1891, 16580), (3316, 9455), (3782, 8290), (4145, 7564)]