161832019900

素因数分解:

$2^2\times 5^2\times {\mathrm{443}}^1\times {\mathrm{509}}^1\times {\mathrm{7177}}^1$

素因数の和:8143

約数の個数: 72

約数和(自身を含む): 352708831440

約数和(自身を除く): 190876811540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 443, 509, 886, 1018, 1772, 2036, 2215, 2545, 4430, 5090, 7177, 8860, 10180, 11075, 12725, 14354, 22150, 25450, 28708, 35885, 44300, 50900, 71770, 143540, 179425, 225487, 358850, 450974, 717700, 901948, 1127435, 2254870, 3179411, 3653093, 4509740, 5637175, 6358822, 7306186, 11274350, 12717644, 14612372, 15897055, 18265465, 22548700, 31794110, 36530930, 63588220, 73061860, 79485275, 91327325, 158970550, 182654650, 317941100, 365309300, 1618320199, 3236640398, 6473280796, 8091600995, 16183201990, 32366403980, 40458004975, 80916009950, 161832019900]

約数ペア:

[(1, 161832019900), (2, 80916009950), (4, 40458004975), (5, 32366403980), (10, 16183201990), (20, 8091600995), (25, 6473280796), (50, 3236640398), (100, 1618320199), (443, 365309300), (509, 317941100), (886, 182654650), (1018, 158970550), (1772, 91327325), (2036, 79485275), (2215, 73061860), (2545, 63588220), (4430, 36530930), (5090, 31794110), (7177, 22548700), (8860, 18265465), (10180, 15897055), (11075, 14612372), (12725, 12717644), (14354, 11274350), (22150, 7306186), (25450, 6358822), (28708, 5637175), (35885, 4509740), (44300, 3653093), (50900, 3179411), (71770, 2254870), (143540, 1127435), (179425, 901948), (225487, 717700), (358850, 450974)]