238045275

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{839}}^1$

素因数の和:965

約数の個数: 72

約数和(自身を含む): 464449440

約数和(自身を除く): 226404165

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 97, 117, 195, 225, 291, 325, 485, 585, 839, 873, 975, 1261, 1455, 2425, 2517, 2925, 3783, 4195, 4365, 6305, 7275, 7551, 10907, 11349, 12585, 18915, 20975, 21825, 31525, 32721, 37755, 54535, 56745, 62925, 81383, 94575, 98163, 163605, 188775, 244149, 272675, 283725, 406915, 490815, 732447, 818025, 1057979, 1220745, 2034575, 2454075, 3173937, 3662235, 5289895, 6103725, 9521811, 15869685, 18311175, 26449475, 47609055, 79348425, 238045275]

約数ペア:

[(1, 238045275), (3, 79348425), (5, 47609055), (9, 26449475), (13, 18311175), (15, 15869685), (25, 9521811), (39, 6103725), (45, 5289895), (65, 3662235), (75, 3173937), (97, 2454075), (117, 2034575), (195, 1220745), (225, 1057979), (291, 818025), (325, 732447), (485, 490815), (585, 406915), (839, 283725), (873, 272675), (975, 244149), (1261, 188775), (1455, 163605), (2425, 98163), (2517, 94575), (2925, 81383), (3783, 62925), (4195, 56745), (4365, 54535), (6305, 37755), (7275, 32721), (7551, 31525), (10907, 21825), (11349, 20975), (12585, 18915)]