440066060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{1657}}^1$

素因数の和:1951

約数の個数: 72

約数和(自身を含む): 1079636544

約数和(自身を除く): 639570484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 271, 490, 542, 980, 1084, 1355, 1657, 1897, 2710, 3314, 3794, 5420, 6628, 7588, 8285, 9485, 11599, 13279, 16570, 18970, 23198, 26558, 33140, 37940, 46396, 53116, 57995, 66395, 81193, 115990, 132790, 162386, 231980, 265580, 324772, 405965, 449047, 811930, 898094, 1623860, 1796188, 2245235, 3143329, 4490470, 6286658, 8980940, 12573316, 15716645, 22003303, 31433290, 44006606, 62866580, 88013212, 110016515, 220033030, 440066060]

約数ペア:

[(1, 440066060), (2, 220033030), (4, 110016515), (5, 88013212), (7, 62866580), (10, 44006606), (14, 31433290), (20, 22003303), (28, 15716645), (35, 12573316), (49, 8980940), (70, 6286658), (98, 4490470), (140, 3143329), (196, 2245235), (245, 1796188), (271, 1623860), (490, 898094), (542, 811930), (980, 449047), (1084, 405965), (1355, 324772), (1657, 265580), (1897, 231980), (2710, 162386), (3314, 132790), (3794, 115990), (5420, 81193), (6628, 66395), (7588, 57995), (8285, 53116), (9485, 46396), (11599, 37940), (13279, 33140), (16570, 26558), (18970, 23198)]