308490375

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{761}}^1$

素因数の和:849

約数の個数: 64

約数和(自身を含む): 547762176

約数和(自身を除く): 239271801

約数列:

[1, 3, 5, 15, 23, 25, 47, 69, 75, 115, 125, 141, 235, 345, 375, 575, 705, 761, 1081, 1175, 1725, 2283, 2875, 3243, 3525, 3805, 5405, 5875, 8625, 11415, 16215, 17503, 17625, 19025, 27025, 35767, 52509, 57075, 81075, 87515, 95125, 107301, 135125, 178835, 262545, 285375, 405375, 437575, 536505, 822641, 894175, 1312725, 2187875, 2467923, 2682525, 4113205, 4470875, 6563625, 12339615, 13412625, 20566025, 61698075, 102830125, 308490375]

約数ペア:

[(1, 308490375), (3, 102830125), (5, 61698075), (15, 20566025), (23, 13412625), (25, 12339615), (47, 6563625), (69, 4470875), (75, 4113205), (115, 2682525), (125, 2467923), (141, 2187875), (235, 1312725), (345, 894175), (375, 822641), (575, 536505), (705, 437575), (761, 405375), (1081, 285375), (1175, 262545), (1725, 178835), (2283, 135125), (2875, 107301), (3243, 95125), (3525, 87515), (3805, 81075), (5405, 57075), (5875, 52509), (8625, 35767), (11415, 27025), (16215, 19025), (17503, 17625)]