2815540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:66

約数の個数: 108

約数和(自身を含む): 7885836

約数和(自身を除く): 5070296

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 49, 52, 65, 68, 70, 85, 91, 98, 119, 130, 140, 169, 170, 182, 196, 221, 238, 245, 260, 338, 340, 364, 442, 455, 476, 490, 595, 637, 676, 833, 845, 884, 910, 980, 1105, 1183, 1190, 1274, 1547, 1666, 1690, 1820, 2210, 2366, 2380, 2548, 2873, 3094, 3185, 3332, 3380, 4165, 4420, 4732, 5746, 5915, 6188, 6370, 7735, 8281, 8330, 10829, 11492, 11830, 12740, 14365, 15470, 16562, 16660, 20111, 21658, 23660, 28730, 30940, 33124, 40222, 41405, 43316, 54145, 57460, 80444, 82810, 100555, 108290, 140777, 165620, 201110, 216580, 281554, 402220, 563108, 703885, 1407770, 2815540]

約数ペア:

[(1, 2815540), (2, 1407770), (4, 703885), (5, 563108), (7, 402220), (10, 281554), (13, 216580), (14, 201110), (17, 165620), (20, 140777), (26, 108290), (28, 100555), (34, 82810), (35, 80444), (49, 57460), (52, 54145), (65, 43316), (68, 41405), (70, 40222), (85, 33124), (91, 30940), (98, 28730), (119, 23660), (130, 21658), (140, 20111), (169, 16660), (170, 16562), (182, 15470), (196, 14365), (221, 12740), (238, 11830), (245, 11492), (260, 10829), (338, 8330), (340, 8281), (364, 7735), (442, 6370), (455, 6188), (476, 5915), (490, 5746), (595, 4732), (637, 4420), (676, 4165), (833, 3380), (845, 3332), (884, 3185), (910, 3094), (980, 2873), (1105, 2548), (1183, 2380), (1190, 2366), (1274, 2210), (1547, 1820), (1666, 1690)]