90208476920

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{439}}^1\times {\mathrm{22433}}^1$

素因数の和:23112

約数の個数: 64

約数和(自身を含む): 204328872000

約数和(自身を除く): 114120395080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 439, 458, 878, 916, 1145, 1756, 1832, 2195, 2290, 3512, 4390, 4580, 8780, 9160, 17560, 22433, 44866, 89732, 100531, 112165, 179464, 201062, 224330, 402124, 448660, 502655, 804248, 897320, 1005310, 2010620, 4021240, 5137157, 9848087, 10274314, 19696174, 20548628, 25685785, 39392348, 41097256, 49240435, 51371570, 78784696, 98480870, 102743140, 196961740, 205486280, 393923480, 2255211923, 4510423846, 9020847692, 11276059615, 18041695384, 22552119230, 45104238460, 90208476920]

約数ペア:

[(1, 90208476920), (2, 45104238460), (4, 22552119230), (5, 18041695384), (8, 11276059615), (10, 9020847692), (20, 4510423846), (40, 2255211923), (229, 393923480), (439, 205486280), (458, 196961740), (878, 102743140), (916, 98480870), (1145, 78784696), (1756, 51371570), (1832, 49240435), (2195, 41097256), (2290, 39392348), (3512, 25685785), (4390, 20548628), (4580, 19696174), (8780, 10274314), (9160, 9848087), (17560, 5137157), (22433, 4021240), (44866, 2010620), (89732, 1005310), (100531, 897320), (112165, 804248), (179464, 502655), (201062, 448660), (224330, 402124)]