438187480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{1129}}^1$

素因数の和:1484

約数の個数: 64

約数和(自身を含む): 1021881600

約数和(自身を除く): 583694120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 313, 620, 626, 1129, 1240, 1252, 1565, 2258, 2504, 3130, 4516, 5645, 6260, 9032, 9703, 11290, 12520, 19406, 22580, 34999, 38812, 45160, 48515, 69998, 77624, 97030, 139996, 174995, 194060, 279992, 349990, 353377, 388120, 699980, 706754, 1399960, 1413508, 1766885, 2827016, 3533770, 7067540, 10954687, 14135080, 21909374, 43818748, 54773435, 87637496, 109546870, 219093740, 438187480]

約数ペア:

[(1, 438187480), (2, 219093740), (4, 109546870), (5, 87637496), (8, 54773435), (10, 43818748), (20, 21909374), (31, 14135080), (40, 10954687), (62, 7067540), (124, 3533770), (155, 2827016), (248, 1766885), (310, 1413508), (313, 1399960), (620, 706754), (626, 699980), (1129, 388120), (1240, 353377), (1252, 349990), (1565, 279992), (2258, 194060), (2504, 174995), (3130, 139996), (4516, 97030), (5645, 77624), (6260, 69998), (9032, 48515), (9703, 45160), (11290, 38812), (12520, 34999), (19406, 22580)]