208545675

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1999}}^1$

素因数の和:2132

約数の個数: 48

約数和(自身を含む): 374976000

約数和(自身を除く): 166430325

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 107, 195, 321, 325, 535, 975, 1391, 1605, 1999, 2675, 4173, 5997, 6955, 8025, 9995, 20865, 25987, 29985, 34775, 49975, 77961, 104325, 129935, 149925, 213893, 389805, 641679, 649675, 1069465, 1949025, 2780609, 3208395, 5347325, 8341827, 13903045, 16041975, 41709135, 69515225, 208545675]

約数ペア:

[(1, 208545675), (3, 69515225), (5, 41709135), (13, 16041975), (15, 13903045), (25, 8341827), (39, 5347325), (65, 3208395), (75, 2780609), (107, 1949025), (195, 1069465), (321, 649675), (325, 641679), (535, 389805), (975, 213893), (1391, 149925), (1605, 129935), (1999, 104325), (2675, 77961), (4173, 49975), (5997, 34775), (6955, 29985), (8025, 25987), (9995, 20865)]