245626900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 551214720

約数和(自身を除く): 305587820

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 139, 164, 205, 278, 410, 431, 556, 695, 820, 862, 1025, 1390, 1724, 2050, 2155, 2780, 3475, 4100, 4310, 5699, 6950, 8620, 10775, 11398, 13900, 17671, 21550, 22796, 28495, 35342, 43100, 56990, 59909, 70684, 88355, 113980, 119818, 142475, 176710, 239636, 284950, 299545, 353420, 441775, 569900, 599090, 883550, 1198180, 1497725, 1767100, 2456269, 2995450, 4912538, 5990900, 9825076, 12281345, 24562690, 49125380, 61406725, 122813450, 245626900]

約数ペア:

[(1, 245626900), (2, 122813450), (4, 61406725), (5, 49125380), (10, 24562690), (20, 12281345), (25, 9825076), (41, 5990900), (50, 4912538), (82, 2995450), (100, 2456269), (139, 1767100), (164, 1497725), (205, 1198180), (278, 883550), (410, 599090), (431, 569900), (556, 441775), (695, 353420), (820, 299545), (862, 284950), (1025, 239636), (1390, 176710), (1724, 142475), (2050, 119818), (2155, 113980), (2780, 88355), (3475, 70684), (4100, 59909), (4310, 56990), (5699, 43100), (6950, 35342), (8620, 28495), (10775, 22796), (11398, 21550), (13900, 17671)]