189700980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{451669}}^1$

素因数の和:451688

約数の個数: 48

約数和(自身を含む): 607044480

約数和(自身を除く): 417343500

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, 451669, 903338, 1355007, 1806676, 2258345, 2710014, 3161683, 4516690, 5420028, 6323366, 6775035, 9033380, 9485049, 12646732, 13550070, 15808415, 18970098, 27100140, 31616830, 37940196, 47425245, 63233660, 94850490, 189700980]

約数ペア:

[(1, 189700980), (2, 94850490), (3, 63233660), (4, 47425245), (5, 37940196), (6, 31616830), (7, 27100140), (10, 18970098), (12, 15808415), (14, 13550070), (15, 12646732), (20, 9485049), (21, 9033380), (28, 6775035), (30, 6323366), (35, 5420028), (42, 4516690), (60, 3161683), (70, 2710014), (84, 2258345), (105, 1806676), (140, 1355007), (210, 903338), (420, 451669)]