338579920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3851}}^1$

素因数の和:4028

約数の個数: 80

約数和(自身を含む): 905620608

約数和(自身を除く): 567040688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 628, 785, 1099, 1256, 1570, 2198, 2512, 3140, 3851, 4396, 5495, 6280, 7702, 8792, 10990, 12560, 15404, 17584, 19255, 21980, 26957, 30808, 38510, 43960, 53914, 61616, 77020, 87920, 107828, 134785, 154040, 215656, 269570, 308080, 431312, 539140, 604607, 1078280, 1209214, 2156560, 2418428, 3023035, 4232249, 4836856, 6046070, 8464498, 9673712, 12092140, 16928996, 21161245, 24184280, 33857992, 42322490, 48368560, 67715984, 84644980, 169289960, 338579920]

約数ペア:

[(1, 338579920), (2, 169289960), (4, 84644980), (5, 67715984), (7, 48368560), (8, 42322490), (10, 33857992), (14, 24184280), (16, 21161245), (20, 16928996), (28, 12092140), (35, 9673712), (40, 8464498), (56, 6046070), (70, 4836856), (80, 4232249), (112, 3023035), (140, 2418428), (157, 2156560), (280, 1209214), (314, 1078280), (560, 604607), (628, 539140), (785, 431312), (1099, 308080), (1256, 269570), (1570, 215656), (2198, 154040), (2512, 134785), (3140, 107828), (3851, 87920), (4396, 77020), (5495, 61616), (6280, 53914), (7702, 43960), (8792, 38510), (10990, 30808), (12560, 26957), (15404, 21980), (17584, 19255)]