188277880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:357

約数の個数: 128

約数和(自身を含む): 506880000

約数和(自身を除く): 318602120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 109, 124, 140, 155, 199, 217, 218, 248, 280, 310, 398, 434, 436, 545, 620, 763, 796, 868, 872, 995, 1085, 1090, 1240, 1393, 1526, 1592, 1736, 1990, 2170, 2180, 2786, 3052, 3379, 3815, 3980, 4340, 4360, 5572, 6104, 6169, 6758, 6965, 7630, 7960, 8680, 11144, 12338, 13516, 13930, 15260, 16895, 21691, 23653, 24676, 27032, 27860, 30520, 30845, 33790, 43183, 43382, 47306, 49352, 55720, 61690, 67580, 86366, 86764, 94612, 108455, 118265, 123380, 135160, 151837, 172732, 173528, 189224, 215915, 216910, 236530, 246760, 303674, 345464, 431830, 433820, 473060, 607348, 672421, 759185, 863660, 867640, 946120, 1214696, 1344842, 1518370, 1727320, 2689684, 3036740, 3362105, 4706947, 5379368, 6073480, 6724210, 9413894, 13448420, 18827788, 23534735, 26896840, 37655576, 47069470, 94138940, 188277880]

約数ペア:

[(1, 188277880), (2, 94138940), (4, 47069470), (5, 37655576), (7, 26896840), (8, 23534735), (10, 18827788), (14, 13448420), (20, 9413894), (28, 6724210), (31, 6073480), (35, 5379368), (40, 4706947), (56, 3362105), (62, 3036740), (70, 2689684), (109, 1727320), (124, 1518370), (140, 1344842), (155, 1214696), (199, 946120), (217, 867640), (218, 863660), (248, 759185), (280, 672421), (310, 607348), (398, 473060), (434, 433820), (436, 431830), (545, 345464), (620, 303674), (763, 246760), (796, 236530), (868, 216910), (872, 215915), (995, 189224), (1085, 173528), (1090, 172732), (1240, 151837), (1393, 135160), (1526, 123380), (1592, 118265), (1736, 108455), (1990, 94612), (2170, 86764), (2180, 86366), (2786, 67580), (3052, 61690), (3379, 55720), (3815, 49352), (3980, 47306), (4340, 43382), (4360, 43183), (5572, 33790), (6104, 30845), (6169, 30520), (6758, 27860), (6965, 27032), (7630, 24676), (7960, 23653), (8680, 21691), (11144, 16895), (12338, 15260), (13516, 13930)]