405738270

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{644029}}^1$

素因数の和:644049

約数の個数: 48

約数和(自身を含む): 1205624160

約数和(自身を除く): 799885890

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 644029, 1288058, 1932087, 3220145, 3864174, 4508203, 5796261, 6440290, 9016406, 9660435, 11592522, 13524609, 19320870, 22541015, 27049218, 28981305, 40573827, 45082030, 57962610, 67623045, 81147654, 135246090, 202869135, 405738270]

約数ペア:

[(1, 405738270), (2, 202869135), (3, 135246090), (5, 81147654), (6, 67623045), (7, 57962610), (9, 45082030), (10, 40573827), (14, 28981305), (15, 27049218), (18, 22541015), (21, 19320870), (30, 13524609), (35, 11592522), (42, 9660435), (45, 9016406), (63, 6440290), (70, 5796261), (90, 4508203), (105, 3864174), (126, 3220145), (210, 1932087), (315, 1288058), (630, 644029)]