298977575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 437763648

約数和(自身を除く): 138786073

約数列:

[1, 5, 13, 23, 25, 37, 47, 65, 115, 185, 235, 299, 325, 481, 529, 575, 611, 851, 925, 1081, 1175, 1495, 1739, 2405, 2645, 3055, 4255, 5405, 6877, 7475, 8695, 11063, 12025, 13225, 14053, 15275, 19573, 21275, 22607, 24863, 27025, 34385, 39997, 43475, 55315, 70265, 97865, 113035, 124315, 171925, 199985, 254449, 276575, 323219, 351325, 489325, 519961, 565175, 621575, 919931, 999925, 1272245, 1616095, 2599805, 4599655, 6361225, 8080475, 11959103, 12999025, 22998275, 59795515, 298977575]

約数ペア:

[(1, 298977575), (5, 59795515), (13, 22998275), (23, 12999025), (25, 11959103), (37, 8080475), (47, 6361225), (65, 4599655), (115, 2599805), (185, 1616095), (235, 1272245), (299, 999925), (325, 919931), (481, 621575), (529, 565175), (575, 519961), (611, 489325), (851, 351325), (925, 323219), (1081, 276575), (1175, 254449), (1495, 199985), (1739, 171925), (2405, 124315), (2645, 113035), (3055, 97865), (4255, 70265), (5405, 55315), (6877, 43475), (7475, 39997), (8695, 34385), (11063, 27025), (12025, 24863), (13225, 22607), (14053, 21275), (15275, 19573)]