505366925

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 770200704

約数和(自身を除く): 264833779

約数列:

[1, 5, 7, 23, 25, 35, 53, 103, 115, 161, 175, 265, 371, 515, 529, 575, 721, 805, 1219, 1325, 1855, 2369, 2575, 2645, 3605, 3703, 4025, 5459, 6095, 8533, 9275, 11845, 13225, 16583, 18025, 18515, 27295, 28037, 30475, 38213, 42665, 54487, 59225, 82915, 92575, 125557, 136475, 140185, 191065, 196259, 213325, 272435, 381409, 414575, 627785, 700925, 878899, 955325, 981295, 1362175, 1907045, 2887811, 3138925, 4394495, 4906475, 9535225, 14439055, 20214677, 21972475, 72195275, 101073385, 505366925]

約数ペア:

[(1, 505366925), (5, 101073385), (7, 72195275), (23, 21972475), (25, 20214677), (35, 14439055), (53, 9535225), (103, 4906475), (115, 4394495), (161, 3138925), (175, 2887811), (265, 1907045), (371, 1362175), (515, 981295), (529, 955325), (575, 878899), (721, 700925), (805, 627785), (1219, 414575), (1325, 381409), (1855, 272435), (2369, 213325), (2575, 196259), (2645, 191065), (3605, 140185), (3703, 136475), (4025, 125557), (5459, 92575), (6095, 82915), (8533, 59225), (9275, 54487), (11845, 42665), (13225, 38213), (16583, 30475), (18025, 28037), (18515, 27295)]