409172220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{661}}^1$

素因数の和:876

約数の個数: 144

約数和(自身を含む): 1315685280

約数和(自身を除く): 906513060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 181, 190, 228, 285, 342, 362, 380, 543, 570, 661, 684, 724, 855, 905, 1086, 1140, 1322, 1629, 1710, 1810, 1983, 2172, 2644, 2715, 3258, 3305, 3420, 3439, 3620, 3966, 5430, 5949, 6516, 6610, 6878, 7932, 8145, 9915, 10317, 10860, 11898, 12559, 13220, 13756, 16290, 17195, 19830, 20634, 23796, 25118, 29745, 30951, 32580, 34390, 37677, 39660, 41268, 50236, 51585, 59490, 61902, 62795, 68780, 75354, 103170, 113031, 118980, 119641, 123804, 125590, 150708, 154755, 188385, 206340, 226062, 239282, 251180, 309510, 358923, 376770, 452124, 478564, 565155, 598205, 619020, 717846, 753540, 1076769, 1130310, 1196410, 1435692, 1794615, 2153538, 2260620, 2273179, 2392820, 3589230, 4307076, 4546358, 5383845, 6819537, 7178460, 9092716, 10767690, 11365895, 13639074, 20458611, 21535380, 22731790, 27278148, 34097685, 40917222, 45463580, 68195370, 81834444, 102293055, 136390740, 204586110, 409172220]

約数ペア:

[(1, 409172220), (2, 204586110), (3, 136390740), (4, 102293055), (5, 81834444), (6, 68195370), (9, 45463580), (10, 40917222), (12, 34097685), (15, 27278148), (18, 22731790), (19, 21535380), (20, 20458611), (30, 13639074), (36, 11365895), (38, 10767690), (45, 9092716), (57, 7178460), (60, 6819537), (76, 5383845), (90, 4546358), (95, 4307076), (114, 3589230), (171, 2392820), (180, 2273179), (181, 2260620), (190, 2153538), (228, 1794615), (285, 1435692), (342, 1196410), (362, 1130310), (380, 1076769), (543, 753540), (570, 717846), (661, 619020), (684, 598205), (724, 565155), (855, 478564), (905, 452124), (1086, 376770), (1140, 358923), (1322, 309510), (1629, 251180), (1710, 239282), (1810, 226062), (1983, 206340), (2172, 188385), (2644, 154755), (2715, 150708), (3258, 125590), (3305, 123804), (3420, 119641), (3439, 118980), (3620, 113031), (3966, 103170), (5430, 75354), (5949, 68780), (6516, 62795), (6610, 61902), (6878, 59490), (7932, 51585), (8145, 50236), (9915, 41268), (10317, 39660), (10860, 37677), (11898, 34390), (12559, 32580), (13220, 30951), (13756, 29745), (16290, 25118), (17195, 23796), (19830, 20634)]