1949203825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1993}}^1$

素因数の和:2122

約数の個数: 48

約数和(自身を含む): 2670364800

約数和(自身を除く): 721160975

約数列:

[1, 5, 19, 25, 29, 71, 95, 145, 355, 475, 551, 725, 1349, 1775, 1993, 2059, 2755, 6745, 9965, 10295, 13775, 33725, 37867, 39121, 49825, 51475, 57797, 141503, 189335, 195605, 288985, 707515, 946675, 978025, 1098143, 1444925, 2688557, 3537575, 4103587, 5490715, 13442785, 20517935, 27453575, 67213925, 77968153, 102589675, 389840765, 1949203825]

約数ペア:

[(1, 1949203825), (5, 389840765), (19, 102589675), (25, 77968153), (29, 67213925), (71, 27453575), (95, 20517935), (145, 13442785), (355, 5490715), (475, 4103587), (551, 3537575), (725, 2688557), (1349, 1444925), (1775, 1098143), (1993, 978025), (2059, 946675), (2755, 707515), (6745, 288985), (9965, 195605), (10295, 189335), (13775, 141503), (33725, 57797), (37867, 51475), (39121, 49825)]