89651380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 244532736

約数和(自身を除く): 154881356

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 49, 52, 62, 65, 70, 91, 98, 124, 130, 140, 155, 182, 196, 217, 227, 245, 260, 310, 364, 403, 434, 454, 455, 490, 620, 637, 806, 868, 908, 910, 980, 1085, 1135, 1274, 1519, 1589, 1612, 1820, 2015, 2170, 2270, 2548, 2821, 2951, 3038, 3178, 3185, 4030, 4340, 4540, 5642, 5902, 6076, 6356, 6370, 7037, 7595, 7945, 8060, 11123, 11284, 11804, 12740, 14074, 14105, 14755, 15190, 15890, 19747, 20657, 22246, 28148, 28210, 29510, 30380, 31780, 35185, 39494, 41314, 44492, 49259, 55615, 56420, 59020, 70370, 78988, 82628, 91481, 98518, 98735, 103285, 111230, 140740, 144599, 182962, 197036, 197470, 206570, 222460, 246295, 289198, 344813, 365924, 394940, 413140, 457405, 492590, 578396, 640367, 689626, 722995, 914810, 985180, 1280734, 1379252, 1445990, 1724065, 1829620, 2561468, 2891980, 3201835, 3448130, 4482569, 6403670, 6896260, 8965138, 12807340, 17930276, 22412845, 44825690, 89651380]

約数ペア:

[(1, 89651380), (2, 44825690), (4, 22412845), (5, 17930276), (7, 12807340), (10, 8965138), (13, 6896260), (14, 6403670), (20, 4482569), (26, 3448130), (28, 3201835), (31, 2891980), (35, 2561468), (49, 1829620), (52, 1724065), (62, 1445990), (65, 1379252), (70, 1280734), (91, 985180), (98, 914810), (124, 722995), (130, 689626), (140, 640367), (155, 578396), (182, 492590), (196, 457405), (217, 413140), (227, 394940), (245, 365924), (260, 344813), (310, 289198), (364, 246295), (403, 222460), (434, 206570), (454, 197470), (455, 197036), (490, 182962), (620, 144599), (637, 140740), (806, 111230), (868, 103285), (908, 98735), (910, 98518), (980, 91481), (1085, 82628), (1135, 78988), (1274, 70370), (1519, 59020), (1589, 56420), (1612, 55615), (1820, 49259), (2015, 44492), (2170, 41314), (2270, 39494), (2548, 35185), (2821, 31780), (2951, 30380), (3038, 29510), (3178, 28210), (3185, 28148), (4030, 22246), (4340, 20657), (4540, 19747), (5642, 15890), (5902, 15190), (6076, 14755), (6356, 14105), (6370, 14074), (7037, 12740), (7595, 11804), (7945, 11284), (8060, 11123)]