91239820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21023}}^1$

素因数の和:21070

約数の個数: 48

約数和(自身を含む): 226050048

約数和(自身を除く): 134810228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 21023, 42046, 84092, 105115, 147161, 210230, 294322, 420460, 588644, 651713, 735805, 1303426, 1471610, 2606852, 2943220, 3258565, 4561991, 6517130, 9123982, 13034260, 18247964, 22809955, 45619910, 91239820]

約数ペア:

[(1, 91239820), (2, 45619910), (4, 22809955), (5, 18247964), (7, 13034260), (10, 9123982), (14, 6517130), (20, 4561991), (28, 3258565), (31, 2943220), (35, 2606852), (62, 1471610), (70, 1303426), (124, 735805), (140, 651713), (155, 588644), (217, 420460), (310, 294322), (434, 210230), (620, 147161), (868, 105115), (1085, 84092), (2170, 42046), (4340, 21023)]