280098754360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1327}}^1\times {\mathrm{122719}}^1$

素因数の和:124100

約数の個数: 64

約数和(自身を含む): 645369753600

約数和(自身を除く): 365270999240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1327, 1720, 2654, 5308, 6635, 10616, 13270, 26540, 53080, 57061, 114122, 122719, 228244, 245438, 285305, 456488, 490876, 570610, 613595, 981752, 1141220, 1227190, 2282440, 2454380, 4908760, 5276917, 10553834, 21107668, 26384585, 42215336, 52769170, 105538340, 162848113, 211076680, 325696226, 651392452, 814240565, 1302784904, 1628481130, 3256962260, 6513924520, 7002468859, 14004937718, 28009875436, 35012344295, 56019750872, 70024688590, 140049377180, 280098754360]

約数ペア:

[(1, 280098754360), (2, 140049377180), (4, 70024688590), (5, 56019750872), (8, 35012344295), (10, 28009875436), (20, 14004937718), (40, 7002468859), (43, 6513924520), (86, 3256962260), (172, 1628481130), (215, 1302784904), (344, 814240565), (430, 651392452), (860, 325696226), (1327, 211076680), (1720, 162848113), (2654, 105538340), (5308, 52769170), (6635, 42215336), (10616, 26384585), (13270, 21107668), (26540, 10553834), (53080, 5276917), (57061, 4908760), (114122, 2454380), (122719, 2282440), (228244, 1227190), (245438, 1141220), (285305, 981752), (456488, 613595), (490876, 570610)]