247999250

素因数分解:

$2^1\times 5^3\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 478752768

約数和(自身を除く): 230753518

約数列:

[1, 2, 5, 10, 25, 50, 73, 107, 125, 127, 146, 214, 250, 254, 365, 535, 635, 730, 1070, 1270, 1825, 2675, 3175, 3650, 5350, 6350, 7811, 9125, 9271, 13375, 13589, 15622, 15875, 18250, 18542, 26750, 27178, 31750, 39055, 46355, 67945, 78110, 92710, 135890, 195275, 231775, 339725, 390550, 463550, 679450, 976375, 991997, 1158875, 1698625, 1952750, 1983994, 2317750, 3397250, 4959985, 9919970, 24799925, 49599850, 123999625, 247999250]

約数ペア:

[(1, 247999250), (2, 123999625), (5, 49599850), (10, 24799925), (25, 9919970), (50, 4959985), (73, 3397250), (107, 2317750), (125, 1983994), (127, 1952750), (146, 1698625), (214, 1158875), (250, 991997), (254, 976375), (365, 679450), (535, 463550), (635, 390550), (730, 339725), (1070, 231775), (1270, 195275), (1825, 135890), (2675, 92710), (3175, 78110), (3650, 67945), (5350, 46355), (6350, 39055), (7811, 31750), (9125, 27178), (9271, 26750), (13375, 18542), (13589, 18250), (15622, 15875)]