680143280

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{57059}}^1$

素因数の和:57221

約数の個数: 40

約数和(自身を含む): 1591974000

約数和(自身を除く): 911830720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 11920, 57059, 114118, 228236, 285295, 456472, 570590, 912944, 1141180, 2282360, 4564720, 8501791, 17003582, 34007164, 42508955, 68014328, 85017910, 136028656, 170035820, 340071640, 680143280]

約数ペア:

[(1, 680143280), (2, 340071640), (4, 170035820), (5, 136028656), (8, 85017910), (10, 68014328), (16, 42508955), (20, 34007164), (40, 17003582), (80, 8501791), (149, 4564720), (298, 2282360), (596, 1141180), (745, 912944), (1192, 570590), (1490, 456472), (2384, 285295), (2980, 228236), (5960, 114118), (11920, 57059)]