2108149940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1931}}^1$

素因数の和:2002

約数の個数: 144

約数和(自身を含む): 5345766720

約数和(自身を除く): 3237616780

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 52, 65, 68, 76, 85, 95, 130, 169, 170, 190, 221, 247, 260, 323, 338, 340, 380, 442, 494, 646, 676, 845, 884, 988, 1105, 1235, 1292, 1615, 1690, 1931, 2210, 2470, 2873, 3211, 3230, 3380, 3862, 4199, 4420, 4940, 5746, 6422, 6460, 7724, 8398, 9655, 11492, 12844, 14365, 16055, 16796, 19310, 20995, 25103, 28730, 32110, 32827, 36689, 38620, 41990, 50206, 54587, 57460, 64220, 65654, 73378, 83980, 100412, 109174, 125515, 131308, 146756, 164135, 183445, 218348, 251030, 272935, 326339, 328270, 366890, 426751, 476957, 502060, 545870, 623713, 652678, 656540, 733780, 853502, 953914, 1091740, 1247426, 1305356, 1631695, 1707004, 1907828, 2133755, 2384785, 2494852, 3118565, 3263390, 4267510, 4769570, 5547763, 6200441, 6237130, 6526780, 8108269, 8535020, 9539140, 11095526, 12400882, 12474260, 16216538, 22191052, 24801764, 27738815, 31002205, 32433076, 40541345, 55477630, 62004410, 81082690, 105407497, 110955260, 124008820, 162165380, 210814994, 421629988, 527037485, 1054074970, 2108149940]

約数ペア:

[(1, 2108149940), (2, 1054074970), (4, 527037485), (5, 421629988), (10, 210814994), (13, 162165380), (17, 124008820), (19, 110955260), (20, 105407497), (26, 81082690), (34, 62004410), (38, 55477630), (52, 40541345), (65, 32433076), (68, 31002205), (76, 27738815), (85, 24801764), (95, 22191052), (130, 16216538), (169, 12474260), (170, 12400882), (190, 11095526), (221, 9539140), (247, 8535020), (260, 8108269), (323, 6526780), (338, 6237130), (340, 6200441), (380, 5547763), (442, 4769570), (494, 4267510), (646, 3263390), (676, 3118565), (845, 2494852), (884, 2384785), (988, 2133755), (1105, 1907828), (1235, 1707004), (1292, 1631695), (1615, 1305356), (1690, 1247426), (1931, 1091740), (2210, 953914), (2470, 853502), (2873, 733780), (3211, 656540), (3230, 652678), (3380, 623713), (3862, 545870), (4199, 502060), (4420, 476957), (4940, 426751), (5746, 366890), (6422, 328270), (6460, 326339), (7724, 272935), (8398, 251030), (9655, 218348), (11492, 183445), (12844, 164135), (14365, 146756), (16055, 131308), (16796, 125515), (19310, 109174), (20995, 100412), (25103, 83980), (28730, 73378), (32110, 65654), (32827, 64220), (36689, 57460), (38620, 54587), (41990, 50206)]