215513600

素因数分解:

$2^9\times 5^2\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:290

約数の個数: 120

約数和(自身を含む): 542292300

約数和(自身を除く): 326778700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 113, 128, 149, 160, 200, 226, 256, 298, 320, 400, 452, 512, 565, 596, 640, 745, 800, 904, 1130, 1192, 1280, 1490, 1600, 1808, 2260, 2384, 2560, 2825, 2980, 3200, 3616, 3725, 4520, 4768, 5650, 5960, 6400, 7232, 7450, 9040, 9536, 11300, 11920, 12800, 14464, 14900, 16837, 18080, 19072, 22600, 23840, 28928, 29800, 33674, 36160, 38144, 45200, 47680, 57856, 59600, 67348, 72320, 76288, 84185, 90400, 95360, 119200, 134696, 144640, 168370, 180800, 190720, 238400, 269392, 289280, 336740, 361600, 381440, 420925, 476800, 538784, 673480, 723200, 841850, 953600, 1077568, 1346960, 1446400, 1683700, 1907200, 2155136, 2693920, 3367400, 4310272, 5387840, 6734800, 8620544, 10775680, 13469600, 21551360, 26939200, 43102720, 53878400, 107756800, 215513600]

約数ペア:

[(1, 215513600), (2, 107756800), (4, 53878400), (5, 43102720), (8, 26939200), (10, 21551360), (16, 13469600), (20, 10775680), (25, 8620544), (32, 6734800), (40, 5387840), (50, 4310272), (64, 3367400), (80, 2693920), (100, 2155136), (113, 1907200), (128, 1683700), (149, 1446400), (160, 1346960), (200, 1077568), (226, 953600), (256, 841850), (298, 723200), (320, 673480), (400, 538784), (452, 476800), (512, 420925), (565, 381440), (596, 361600), (640, 336740), (745, 289280), (800, 269392), (904, 238400), (1130, 190720), (1192, 180800), (1280, 168370), (1490, 144640), (1600, 134696), (1808, 119200), (2260, 95360), (2384, 90400), (2560, 84185), (2825, 76288), (2980, 72320), (3200, 67348), (3616, 59600), (3725, 57856), (4520, 47680), (4768, 45200), (5650, 38144), (5960, 36160), (6400, 33674), (7232, 29800), (7450, 28928), (9040, 23840), (9536, 22600), (11300, 19072), (11920, 18080), (12800, 16837), (14464, 14900)]