400133080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{3251}}^1$

素因数の和:3460

約数の個数: 64

約数和(自身を含む): 958819680

約数和(自身を除く): 558686600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 181, 340, 362, 680, 724, 905, 1448, 1810, 3077, 3251, 3620, 6154, 6502, 7240, 12308, 13004, 15385, 16255, 24616, 26008, 30770, 32510, 55267, 61540, 65020, 110534, 123080, 130040, 221068, 276335, 442136, 552670, 588431, 1105340, 1176862, 2210680, 2353724, 2942155, 4707448, 5884310, 10003327, 11768620, 20006654, 23537240, 40013308, 50016635, 80026616, 100033270, 200066540, 400133080]

約数ペア:

[(1, 400133080), (2, 200066540), (4, 100033270), (5, 80026616), (8, 50016635), (10, 40013308), (17, 23537240), (20, 20006654), (34, 11768620), (40, 10003327), (68, 5884310), (85, 4707448), (136, 2942155), (170, 2353724), (181, 2210680), (340, 1176862), (362, 1105340), (680, 588431), (724, 552670), (905, 442136), (1448, 276335), (1810, 221068), (3077, 130040), (3251, 123080), (3620, 110534), (6154, 65020), (6502, 61540), (7240, 55267), (12308, 32510), (13004, 30770), (15385, 26008), (16255, 24616)]