1900308875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{659}}^1$

素因数の和:773

約数の個数: 64

約数和(自身を含む): 2668723200

約数和(自身を除く): 768414325

約数列:

[1, 5, 17, 23, 25, 59, 85, 115, 125, 295, 391, 425, 575, 659, 1003, 1357, 1475, 1955, 2125, 2875, 3295, 5015, 6785, 7375, 9775, 11203, 15157, 16475, 23069, 25075, 33925, 38881, 48875, 56015, 75785, 82375, 115345, 125375, 169625, 194405, 257669, 280075, 378925, 576725, 660977, 894263, 972025, 1288345, 1400375, 1894625, 2883625, 3304885, 4471315, 4860125, 6441725, 15202471, 16524425, 22356575, 32208625, 76012355, 82622125, 111782875, 380061775, 1900308875]

約数ペア:

[(1, 1900308875), (5, 380061775), (17, 111782875), (23, 82622125), (25, 76012355), (59, 32208625), (85, 22356575), (115, 16524425), (125, 15202471), (295, 6441725), (391, 4860125), (425, 4471315), (575, 3304885), (659, 2883625), (1003, 1894625), (1357, 1400375), (1475, 1288345), (1955, 972025), (2125, 894263), (2875, 660977), (3295, 576725), (5015, 378925), (6785, 280075), (7375, 257669), (9775, 194405), (11203, 169625), (15157, 125375), (16475, 115345), (23069, 82375), (25075, 75785), (33925, 56015), (38881, 48875)]