203495440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149629}}^1$

素因数の和:149659

約数の個数: 40

約数和(自身を含む): 500961240

約数和(自身を除く): 297465800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 149629, 299258, 598516, 748145, 1197032, 1496290, 2394064, 2543693, 2992580, 5087386, 5985160, 10174772, 11970320, 12718465, 20349544, 25436930, 40699088, 50873860, 101747720, 203495440]

約数ペア:

[(1, 203495440), (2, 101747720), (4, 50873860), (5, 40699088), (8, 25436930), (10, 20349544), (16, 12718465), (17, 11970320), (20, 10174772), (34, 5985160), (40, 5087386), (68, 2992580), (80, 2543693), (85, 2394064), (136, 1496290), (170, 1197032), (272, 748145), (340, 598516), (680, 299258), (1360, 149629)]