4494980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 10932096

約数和(自身を除く): 6437116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 331, 388, 485, 662, 679, 970, 1324, 1358, 1655, 1940, 2317, 2716, 3310, 3395, 4634, 6620, 6790, 9268, 11585, 13580, 23170, 32107, 46340, 64214, 128428, 160535, 224749, 321070, 449498, 642140, 898996, 1123745, 2247490, 4494980]

約数ペア:

[(1, 4494980), (2, 2247490), (4, 1123745), (5, 898996), (7, 642140), (10, 449498), (14, 321070), (20, 224749), (28, 160535), (35, 128428), (70, 64214), (97, 46340), (140, 32107), (194, 23170), (331, 13580), (388, 11585), (485, 9268), (662, 6790), (679, 6620), (970, 4634), (1324, 3395), (1358, 3310), (1655, 2716), (1940, 2317)]