154650925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 227485440

約数和(自身を除く): 72834515

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 181, 239, 275, 325, 715, 905, 1195, 1991, 2353, 2629, 3107, 3575, 4525, 5975, 9955, 11765, 13145, 15535, 25883, 34177, 43259, 49775, 58825, 65725, 77675, 129415, 170885, 216295, 475849, 562367, 647075, 854425, 1081475, 2379245, 2811835, 6186037, 11896225, 14059175, 30930185, 154650925]

約数ペア:

[(1, 154650925), (5, 30930185), (11, 14059175), (13, 11896225), (25, 6186037), (55, 2811835), (65, 2379245), (143, 1081475), (181, 854425), (239, 647075), (275, 562367), (325, 475849), (715, 216295), (905, 170885), (1195, 129415), (1991, 77675), (2353, 65725), (2629, 58825), (3107, 49775), (3575, 43259), (4525, 34177), (5975, 25883), (9955, 15535), (11765, 13145)]