248772020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{2617}}^1$

素因数の和:2737

約数の個数: 72

約数和(自身を含む): 614214216

約数和(自身を除く): 365442196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 194, 196, 245, 388, 485, 490, 679, 970, 980, 1358, 1940, 2617, 2716, 3395, 4753, 5234, 6790, 9506, 10468, 13085, 13580, 18319, 19012, 23765, 26170, 36638, 47530, 52340, 73276, 91595, 95060, 128233, 183190, 253849, 256466, 366380, 507698, 512932, 641165, 1015396, 1269245, 1282330, 1776943, 2538490, 2564660, 3553886, 5076980, 7107772, 8884715, 12438601, 17769430, 24877202, 35538860, 49754404, 62193005, 124386010, 248772020]

約数ペア:

[(1, 248772020), (2, 124386010), (4, 62193005), (5, 49754404), (7, 35538860), (10, 24877202), (14, 17769430), (20, 12438601), (28, 8884715), (35, 7107772), (49, 5076980), (70, 3553886), (97, 2564660), (98, 2538490), (140, 1776943), (194, 1282330), (196, 1269245), (245, 1015396), (388, 641165), (485, 512932), (490, 507698), (679, 366380), (970, 256466), (980, 253849), (1358, 183190), (1940, 128233), (2617, 95060), (2716, 91595), (3395, 73276), (4753, 52340), (5234, 47530), (6790, 36638), (9506, 26170), (10468, 23765), (13085, 19012), (13580, 18319)]