88777180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^3\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 193939200

約数和(自身を除く): 105162020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 310, 596, 620, 745, 961, 1490, 1922, 2980, 3844, 4619, 4805, 9238, 9610, 18476, 19220, 23095, 29791, 46190, 59582, 92380, 119164, 143189, 148955, 286378, 297910, 572756, 595820, 715945, 1431890, 2863780, 4438859, 8877718, 17755436, 22194295, 44388590, 88777180]

約数ペア:

[(1, 88777180), (2, 44388590), (4, 22194295), (5, 17755436), (10, 8877718), (20, 4438859), (31, 2863780), (62, 1431890), (124, 715945), (149, 595820), (155, 572756), (298, 297910), (310, 286378), (596, 148955), (620, 143189), (745, 119164), (961, 92380), (1490, 59582), (1922, 46190), (2980, 29791), (3844, 23095), (4619, 19220), (4805, 18476), (9238, 9610)]