201953375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 296325120

約数和(自身を除く): 94371745

約数列:

[1, 5, 13, 19, 25, 31, 65, 95, 125, 155, 211, 247, 325, 403, 475, 589, 775, 1055, 1235, 1625, 2015, 2375, 2743, 2945, 3875, 4009, 5275, 6175, 6541, 7657, 10075, 13715, 14725, 20045, 26375, 30875, 32705, 38285, 50375, 52117, 68575, 73625, 85033, 100225, 124279, 163525, 191425, 260585, 342875, 425165, 501125, 621395, 817625, 957125, 1302925, 1615627, 2125825, 3106975, 6514625, 8078135, 10629125, 15534875, 40390675, 201953375]

約数ペア:

[(1, 201953375), (5, 40390675), (13, 15534875), (19, 10629125), (25, 8078135), (31, 6514625), (65, 3106975), (95, 2125825), (125, 1615627), (155, 1302925), (211, 957125), (247, 817625), (325, 621395), (403, 501125), (475, 425165), (589, 342875), (775, 260585), (1055, 191425), (1235, 163525), (1625, 124279), (2015, 100225), (2375, 85033), (2743, 73625), (2945, 68575), (3875, 52117), (4009, 50375), (5275, 38285), (6175, 32705), (6541, 30875), (7657, 26375), (10075, 20045), (13715, 14725)]