313633740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{746747}}^1$

素因数の和:746766

約数の個数: 48

約数和(自身を含む): 1003629312

約数和(自身を除く): 689995572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 746747, 1493494, 2240241, 2986988, 3733735, 4480482, 5227229, 7467470, 8960964, 10454458, 11201205, 14934940, 15681687, 20908916, 22402410, 26136145, 31363374, 44804820, 52272290, 62726748, 78408435, 104544580, 156816870, 313633740]

約数ペア:

[(1, 313633740), (2, 156816870), (3, 104544580), (4, 78408435), (5, 62726748), (6, 52272290), (7, 44804820), (10, 31363374), (12, 26136145), (14, 22402410), (15, 20908916), (20, 15681687), (21, 14934940), (28, 11201205), (30, 10454458), (35, 8960964), (42, 7467470), (60, 5227229), (70, 4480482), (84, 3733735), (105, 2986988), (140, 2240241), (210, 1493494), (420, 746747)]