3820199375

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:330

約数の個数: 80

約数和(自身を含む): 5344289280

約数和(自身を除く): 1524089905

約数列:

[1, 5, 19, 23, 25, 71, 95, 115, 125, 197, 355, 437, 475, 575, 625, 985, 1349, 1633, 1775, 2185, 2375, 2875, 3743, 4531, 4925, 6745, 8165, 8875, 10925, 11875, 13987, 14375, 18715, 22655, 24625, 31027, 33725, 40825, 44375, 54625, 69935, 86089, 93575, 113275, 123125, 155135, 168625, 204125, 265753, 273125, 321701, 349675, 430445, 467875, 566375, 775675, 843125, 1020625, 1328765, 1608505, 1748375, 2152225, 2339375, 2831875, 3878375, 6112319, 6643825, 8042525, 8741875, 10761125, 19391875, 30561595, 33219125, 40212625, 53805625, 152807975, 166095625, 201063125, 764039875, 3820199375]

約数ペア:

[(1, 3820199375), (5, 764039875), (19, 201063125), (23, 166095625), (25, 152807975), (71, 53805625), (95, 40212625), (115, 33219125), (125, 30561595), (197, 19391875), (355, 10761125), (437, 8741875), (475, 8042525), (575, 6643825), (625, 6112319), (985, 3878375), (1349, 2831875), (1633, 2339375), (1775, 2152225), (2185, 1748375), (2375, 1608505), (2875, 1328765), (3743, 1020625), (4531, 843125), (4925, 775675), (6745, 566375), (8165, 467875), (8875, 430445), (10925, 349675), (11875, 321701), (13987, 273125), (14375, 265753), (18715, 204125), (22655, 168625), (24625, 155135), (31027, 123125), (33725, 113275), (40825, 93575), (44375, 86089), (54625, 69935)]