78984125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:183

約数の個数: 64

約数和(自身を含む): 118609920

約数和(自身を除く): 39625795

約数列:

[1, 5, 11, 17, 25, 31, 55, 85, 109, 125, 155, 187, 275, 341, 425, 527, 545, 775, 935, 1199, 1375, 1705, 1853, 2125, 2635, 2725, 3379, 3875, 4675, 5797, 5995, 8525, 9265, 13175, 13625, 16895, 20383, 23375, 28985, 29975, 37169, 42625, 46325, 57443, 65875, 84475, 101915, 144925, 149875, 185845, 231625, 287215, 422375, 509575, 631873, 724625, 929225, 1436075, 2547875, 3159365, 4646125, 7180375, 15796825, 78984125]

約数ペア:

[(1, 78984125), (5, 15796825), (11, 7180375), (17, 4646125), (25, 3159365), (31, 2547875), (55, 1436075), (85, 929225), (109, 724625), (125, 631873), (155, 509575), (187, 422375), (275, 287215), (341, 231625), (425, 185845), (527, 149875), (545, 144925), (775, 101915), (935, 84475), (1199, 65875), (1375, 57443), (1705, 46325), (1853, 42625), (2125, 37169), (2635, 29975), (2725, 28985), (3379, 23375), (3875, 20383), (4675, 16895), (5797, 13625), (5995, 13175), (8525, 9265)]