275521025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 419973120

約数和(自身を除く): 144452095

約数列:

[1, 5, 13, 23, 25, 29, 31, 41, 65, 115, 145, 155, 205, 299, 325, 377, 403, 533, 575, 667, 713, 725, 775, 899, 943, 1025, 1189, 1271, 1495, 1885, 2015, 2665, 3335, 3565, 4495, 4715, 5945, 6355, 7475, 8671, 9269, 9425, 10075, 11687, 12259, 13325, 15457, 16523, 16675, 17825, 20677, 22475, 23575, 27347, 29233, 29725, 31775, 36859, 43355, 46345, 58435, 61295, 77285, 82615, 103385, 136735, 146165, 184295, 216775, 231725, 268801, 292175, 306475, 355511, 380029, 386425, 413075, 479167, 516925, 683675, 730825, 847757, 921475, 1344005, 1777555, 1900145, 2395835, 4238785, 6720025, 8887775, 9500725, 11020841, 11979175, 21193925, 55104205, 275521025]

約数ペア:

[(1, 275521025), (5, 55104205), (13, 21193925), (23, 11979175), (25, 11020841), (29, 9500725), (31, 8887775), (41, 6720025), (65, 4238785), (115, 2395835), (145, 1900145), (155, 1777555), (205, 1344005), (299, 921475), (325, 847757), (377, 730825), (403, 683675), (533, 516925), (575, 479167), (667, 413075), (713, 386425), (725, 380029), (775, 355511), (899, 306475), (943, 292175), (1025, 268801), (1189, 231725), (1271, 216775), (1495, 184295), (1885, 146165), (2015, 136735), (2665, 103385), (3335, 82615), (3565, 77285), (4495, 61295), (4715, 58435), (5945, 46345), (6355, 43355), (7475, 36859), (8671, 31775), (9269, 29725), (9425, 29233), (10075, 27347), (11687, 23575), (12259, 22475), (13325, 20677), (15457, 17825), (16523, 16675)]