925001560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1747}}^1$

素因数の和:1857

約数の個数: 128

約数和(自身を含む): 2496983040

約数和(自身を除く): 1571981480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 61, 62, 70, 122, 124, 140, 155, 217, 244, 248, 280, 305, 310, 427, 434, 488, 610, 620, 854, 868, 1085, 1220, 1240, 1708, 1736, 1747, 1891, 2135, 2170, 2440, 3416, 3494, 3782, 4270, 4340, 6988, 7564, 8540, 8680, 8735, 9455, 12229, 13237, 13976, 15128, 17080, 17470, 18910, 24458, 26474, 34940, 37820, 48916, 52948, 54157, 61145, 66185, 69880, 75640, 97832, 105896, 106567, 108314, 122290, 132370, 213134, 216628, 244580, 264740, 270785, 379099, 426268, 433256, 489160, 529480, 532835, 541570, 745969, 758198, 852536, 1065670, 1083140, 1491938, 1516396, 1895495, 2131340, 2166280, 2983876, 3032792, 3303577, 3729845, 3790990, 4262680, 5967752, 6607154, 7459690, 7581980, 13214308, 14919380, 15163960, 16517885, 23125039, 26428616, 29838760, 33035770, 46250078, 66071540, 92500156, 115625195, 132143080, 185000312, 231250390, 462500780, 925001560]

約数ペア:

[(1, 925001560), (2, 462500780), (4, 231250390), (5, 185000312), (7, 132143080), (8, 115625195), (10, 92500156), (14, 66071540), (20, 46250078), (28, 33035770), (31, 29838760), (35, 26428616), (40, 23125039), (56, 16517885), (61, 15163960), (62, 14919380), (70, 13214308), (122, 7581980), (124, 7459690), (140, 6607154), (155, 5967752), (217, 4262680), (244, 3790990), (248, 3729845), (280, 3303577), (305, 3032792), (310, 2983876), (427, 2166280), (434, 2131340), (488, 1895495), (610, 1516396), (620, 1491938), (854, 1083140), (868, 1065670), (1085, 852536), (1220, 758198), (1240, 745969), (1708, 541570), (1736, 532835), (1747, 529480), (1891, 489160), (2135, 433256), (2170, 426268), (2440, 379099), (3416, 270785), (3494, 264740), (3782, 244580), (4270, 216628), (4340, 213134), (6988, 132370), (7564, 122290), (8540, 108314), (8680, 106567), (8735, 105896), (9455, 97832), (12229, 75640), (13237, 69880), (13976, 66185), (15128, 61145), (17080, 54157), (17470, 52948), (18910, 48916), (24458, 37820), (26474, 34940)]