2123190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:805

約数の個数: 48

約数和(自身を含む): 5705856

約数和(自身を除く): 3582666

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 761, 930, 1395, 1522, 2283, 2790, 3805, 4566, 6849, 7610, 11415, 13698, 22830, 23591, 34245, 47182, 68490, 70773, 117955, 141546, 212319, 235910, 353865, 424638, 707730, 1061595, 2123190]

約数ペア:

[(1, 2123190), (2, 1061595), (3, 707730), (5, 424638), (6, 353865), (9, 235910), (10, 212319), (15, 141546), (18, 117955), (30, 70773), (31, 68490), (45, 47182), (62, 34245), (90, 23591), (93, 22830), (155, 13698), (186, 11415), (279, 7610), (310, 6849), (465, 4566), (558, 3805), (761, 2790), (930, 2283), (1395, 1522)]