221473840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3019}}^1$

素因数の和:3170

約数の個数: 80

約数和(自身を含む): 593176320

約数和(自身を除く): 371702480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 917, 1048, 1310, 1834, 2096, 2620, 3019, 3668, 4585, 5240, 6038, 7336, 9170, 10480, 12076, 14672, 15095, 18340, 21133, 24152, 30190, 36680, 42266, 48304, 60380, 73360, 84532, 105665, 120760, 169064, 211330, 241520, 338128, 395489, 422660, 790978, 845320, 1581956, 1690640, 1977445, 2768423, 3163912, 3954890, 5536846, 6327824, 7909780, 11073692, 13842115, 15819560, 22147384, 27684230, 31639120, 44294768, 55368460, 110736920, 221473840]

約数ペア:

[(1, 221473840), (2, 110736920), (4, 55368460), (5, 44294768), (7, 31639120), (8, 27684230), (10, 22147384), (14, 15819560), (16, 13842115), (20, 11073692), (28, 7909780), (35, 6327824), (40, 5536846), (56, 3954890), (70, 3163912), (80, 2768423), (112, 1977445), (131, 1690640), (140, 1581956), (262, 845320), (280, 790978), (524, 422660), (560, 395489), (655, 338128), (917, 241520), (1048, 211330), (1310, 169064), (1834, 120760), (2096, 105665), (2620, 84532), (3019, 73360), (3668, 60380), (4585, 48304), (5240, 42266), (6038, 36680), (7336, 30190), (9170, 24152), (10480, 21133), (12076, 18340), (14672, 15095)]