199382080

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:348

約数の個数: 112

約数和(自身を含む): 497433600

約数和(自身を除く): 298051520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 101, 124, 155, 160, 199, 202, 248, 310, 320, 398, 404, 496, 505, 620, 796, 808, 992, 995, 1010, 1240, 1592, 1616, 1984, 1990, 2020, 2480, 3131, 3184, 3232, 3980, 4040, 4960, 6169, 6262, 6368, 6464, 7960, 8080, 9920, 12338, 12524, 12736, 15655, 15920, 16160, 20099, 24676, 25048, 30845, 31310, 31840, 32320, 40198, 49352, 50096, 61690, 62620, 63680, 80396, 98704, 100192, 100495, 123380, 125240, 160792, 197408, 200384, 200990, 246760, 250480, 321584, 394816, 401980, 493520, 500960, 623069, 643168, 803960, 987040, 1001920, 1246138, 1286336, 1607920, 1974080, 2492276, 3115345, 3215840, 4984552, 6230690, 6431680, 9969104, 12461380, 19938208, 24922760, 39876416, 49845520, 99691040, 199382080]

約数ペア:

[(1, 199382080), (2, 99691040), (4, 49845520), (5, 39876416), (8, 24922760), (10, 19938208), (16, 12461380), (20, 9969104), (31, 6431680), (32, 6230690), (40, 4984552), (62, 3215840), (64, 3115345), (80, 2492276), (101, 1974080), (124, 1607920), (155, 1286336), (160, 1246138), (199, 1001920), (202, 987040), (248, 803960), (310, 643168), (320, 623069), (398, 500960), (404, 493520), (496, 401980), (505, 394816), (620, 321584), (796, 250480), (808, 246760), (992, 200990), (995, 200384), (1010, 197408), (1240, 160792), (1592, 125240), (1616, 123380), (1984, 100495), (1990, 100192), (2020, 98704), (2480, 80396), (3131, 63680), (3184, 62620), (3232, 61690), (3980, 50096), (4040, 49352), (4960, 40198), (6169, 32320), (6262, 31840), (6368, 31310), (6464, 30845), (7960, 25048), (8080, 24676), (9920, 20099), (12338, 16160), (12524, 15920), (12736, 15655)]