172138600

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 427573080

約数和(自身を除く): 255434480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 197, 200, 257, 340, 394, 425, 514, 680, 788, 850, 985, 1028, 1285, 1576, 1700, 1970, 2056, 2570, 3349, 3400, 3940, 4369, 4925, 5140, 6425, 6698, 7880, 8738, 9850, 10280, 12850, 13396, 16745, 17476, 19700, 21845, 25700, 26792, 33490, 34952, 39400, 43690, 50629, 51400, 66980, 83725, 87380, 101258, 109225, 133960, 167450, 174760, 202516, 218450, 253145, 334900, 405032, 436900, 506290, 669800, 860693, 873800, 1012580, 1265725, 1721386, 2025160, 2531450, 3442772, 4303465, 5062900, 6885544, 8606930, 10125800, 17213860, 21517325, 34427720, 43034650, 86069300, 172138600]

約数ペア:

[(1, 172138600), (2, 86069300), (4, 43034650), (5, 34427720), (8, 21517325), (10, 17213860), (17, 10125800), (20, 8606930), (25, 6885544), (34, 5062900), (40, 4303465), (50, 3442772), (68, 2531450), (85, 2025160), (100, 1721386), (136, 1265725), (170, 1012580), (197, 873800), (200, 860693), (257, 669800), (340, 506290), (394, 436900), (425, 405032), (514, 334900), (680, 253145), (788, 218450), (850, 202516), (985, 174760), (1028, 167450), (1285, 133960), (1576, 109225), (1700, 101258), (1970, 87380), (2056, 83725), (2570, 66980), (3349, 51400), (3400, 50629), (3940, 43690), (4369, 39400), (4925, 34952), (5140, 33490), (6425, 26792), (6698, 25700), (7880, 21845), (8738, 19700), (9850, 17476), (10280, 16745), (12850, 13396)]