510923775

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^2\times {\mathrm{103}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 913294720

約数和(自身を除く): 402370945

約数列:

[1, 3, 5, 15, 19, 25, 57, 59, 75, 95, 103, 177, 285, 295, 309, 475, 515, 885, 1121, 1425, 1475, 1545, 1957, 2575, 3363, 3481, 4425, 5605, 5871, 6077, 7725, 9785, 10443, 16815, 17405, 18231, 28025, 29355, 30385, 48925, 52215, 66139, 84075, 87025, 91155, 115463, 146775, 151925, 198417, 261075, 330695, 346389, 358543, 455775, 577315, 992085, 1075629, 1653475, 1731945, 1792715, 2886575, 4960425, 5378145, 6812317, 8659725, 8963575, 20436951, 26890725, 34061585, 102184755, 170307925, 510923775]

約数ペア:

[(1, 510923775), (3, 170307925), (5, 102184755), (15, 34061585), (19, 26890725), (25, 20436951), (57, 8963575), (59, 8659725), (75, 6812317), (95, 5378145), (103, 4960425), (177, 2886575), (285, 1792715), (295, 1731945), (309, 1653475), (475, 1075629), (515, 992085), (885, 577315), (1121, 455775), (1425, 358543), (1475, 346389), (1545, 330695), (1957, 261075), (2575, 198417), (3363, 151925), (3481, 146775), (4425, 115463), (5605, 91155), (5871, 87025), (6077, 84075), (7725, 66139), (9785, 52215), (10443, 48925), (16815, 30385), (17405, 29355), (18231, 28025)]