239130125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 342171648

約数和(自身を除く): 103041523

約数列:

[1, 5, 13, 25, 31, 47, 65, 101, 125, 155, 235, 325, 403, 505, 611, 775, 1175, 1313, 1457, 1625, 2015, 2525, 3055, 3131, 3875, 4747, 5875, 6565, 7285, 10075, 12625, 15275, 15655, 18941, 23735, 32825, 36425, 40703, 50375, 61711, 76375, 78275, 94705, 118675, 147157, 164125, 182125, 203515, 308555, 391375, 473525, 593375, 735785, 1017575, 1542775, 1913041, 2367625, 3678925, 5087875, 7713875, 9565205, 18394625, 47826025, 239130125]

約数ペア:

[(1, 239130125), (5, 47826025), (13, 18394625), (25, 9565205), (31, 7713875), (47, 5087875), (65, 3678925), (101, 2367625), (125, 1913041), (155, 1542775), (235, 1017575), (325, 735785), (403, 593375), (505, 473525), (611, 391375), (775, 308555), (1175, 203515), (1313, 182125), (1457, 164125), (1625, 147157), (2015, 118675), (2525, 94705), (3055, 78275), (3131, 76375), (3875, 61711), (4747, 50375), (5875, 40703), (6565, 36425), (7285, 32825), (10075, 23735), (12625, 18941), (15275, 15655)]