208013500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 475151040

約数和(自身を除く): 267137540

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 73, 82, 100, 125, 139, 146, 164, 205, 250, 278, 292, 365, 410, 500, 556, 695, 730, 820, 1025, 1390, 1460, 1825, 2050, 2780, 2993, 3475, 3650, 4100, 5125, 5699, 5986, 6950, 7300, 9125, 10147, 10250, 11398, 11972, 13900, 14965, 17375, 18250, 20294, 20500, 22796, 28495, 29930, 34750, 36500, 40588, 50735, 56990, 59860, 69500, 74825, 101470, 113980, 142475, 149650, 202940, 253675, 284950, 299300, 374125, 416027, 507350, 569900, 712375, 748250, 832054, 1014700, 1268375, 1424750, 1496500, 1664108, 2080135, 2536750, 2849500, 4160270, 5073500, 8320540, 10400675, 20801350, 41602700, 52003375, 104006750, 208013500]

約数ペア:

[(1, 208013500), (2, 104006750), (4, 52003375), (5, 41602700), (10, 20801350), (20, 10400675), (25, 8320540), (41, 5073500), (50, 4160270), (73, 2849500), (82, 2536750), (100, 2080135), (125, 1664108), (139, 1496500), (146, 1424750), (164, 1268375), (205, 1014700), (250, 832054), (278, 748250), (292, 712375), (365, 569900), (410, 507350), (500, 416027), (556, 374125), (695, 299300), (730, 284950), (820, 253675), (1025, 202940), (1390, 149650), (1460, 142475), (1825, 113980), (2050, 101470), (2780, 74825), (2993, 69500), (3475, 59860), (3650, 56990), (4100, 50735), (5125, 40588), (5699, 36500), (5986, 34750), (6950, 29930), (7300, 28495), (9125, 22796), (10147, 20500), (10250, 20294), (11398, 18250), (11972, 17375), (13900, 14965)]