890351275

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 1291917312

約数和(自身を除く): 401566037

約数列:

[1, 5, 11, 23, 25, 55, 67, 115, 121, 191, 253, 275, 335, 575, 605, 737, 955, 1265, 1541, 1675, 2101, 2783, 3025, 3685, 4393, 4775, 6325, 7705, 8107, 10505, 12797, 13915, 16951, 18425, 21965, 23111, 38525, 40535, 48323, 52525, 63985, 69575, 84755, 109825, 115555, 140767, 186461, 202675, 241615, 294331, 319925, 423775, 531553, 577775, 703835, 932305, 1208075, 1471655, 1548437, 2657765, 3237641, 3519175, 4661525, 7358275, 7742185, 13288825, 16188205, 35614051, 38710925, 80941025, 178070255, 890351275]

約数ペア:

[(1, 890351275), (5, 178070255), (11, 80941025), (23, 38710925), (25, 35614051), (55, 16188205), (67, 13288825), (115, 7742185), (121, 7358275), (191, 4661525), (253, 3519175), (275, 3237641), (335, 2657765), (575, 1548437), (605, 1471655), (737, 1208075), (955, 932305), (1265, 703835), (1541, 577775), (1675, 531553), (2101, 423775), (2783, 319925), (3025, 294331), (3685, 241615), (4393, 202675), (4775, 186461), (6325, 140767), (7705, 115555), (8107, 109825), (10505, 84755), (12797, 69575), (13915, 63985), (16951, 52525), (18425, 48323), (21965, 40535), (23111, 38525)]