221866380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{39761}}^1$

素因数の和:39807

約数の個数: 72

約数和(自身を含む): 694721664

約数和(自身を除く): 472855284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 39761, 79522, 119283, 159044, 198805, 238566, 357849, 397610, 477132, 596415, 715698, 795220, 1192830, 1232591, 1431396, 1789245, 2385660, 2465182, 3578490, 3697773, 4930364, 6162955, 7156980, 7395546, 11093319, 12325910, 14791092, 18488865, 22186638, 24651820, 36977730, 44373276, 55466595, 73955460, 110933190, 221866380]

約数ペア:

[(1, 221866380), (2, 110933190), (3, 73955460), (4, 55466595), (5, 44373276), (6, 36977730), (9, 24651820), (10, 22186638), (12, 18488865), (15, 14791092), (18, 12325910), (20, 11093319), (30, 7395546), (31, 7156980), (36, 6162955), (45, 4930364), (60, 3697773), (62, 3578490), (90, 2465182), (93, 2385660), (124, 1789245), (155, 1431396), (180, 1232591), (186, 1192830), (279, 795220), (310, 715698), (372, 596415), (465, 477132), (558, 397610), (620, 357849), (930, 238566), (1116, 198805), (1395, 159044), (1860, 119283), (2790, 79522), (5580, 39761)]