520033750

素因数分解:

$2^1\times 5^4\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:275

約数の個数: 80

約数和(自身を含む): 1019486160

約数和(自身を除く): 499452410

約数列:

[1, 2, 5, 10, 25, 41, 50, 73, 82, 125, 139, 146, 205, 250, 278, 365, 410, 625, 695, 730, 1025, 1250, 1390, 1825, 2050, 2993, 3475, 3650, 5125, 5699, 5986, 6950, 9125, 10147, 10250, 11398, 14965, 17375, 18250, 20294, 25625, 28495, 29930, 34750, 45625, 50735, 51250, 56990, 74825, 86875, 91250, 101470, 142475, 149650, 173750, 253675, 284950, 374125, 416027, 507350, 712375, 748250, 832054, 1268375, 1424750, 1870625, 2080135, 2536750, 3561875, 3741250, 4160270, 6341875, 7123750, 10400675, 12683750, 20801350, 52003375, 104006750, 260016875, 520033750]

約数ペア:

[(1, 520033750), (2, 260016875), (5, 104006750), (10, 52003375), (25, 20801350), (41, 12683750), (50, 10400675), (73, 7123750), (82, 6341875), (125, 4160270), (139, 3741250), (146, 3561875), (205, 2536750), (250, 2080135), (278, 1870625), (365, 1424750), (410, 1268375), (625, 832054), (695, 748250), (730, 712375), (1025, 507350), (1250, 416027), (1390, 374125), (1825, 284950), (2050, 253675), (2993, 173750), (3475, 149650), (3650, 142475), (5125, 101470), (5699, 91250), (5986, 86875), (6950, 74825), (9125, 56990), (10147, 51250), (10250, 50735), (11398, 45625), (14965, 34750), (17375, 29930), (18250, 28495), (20294, 25625)]