198404040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{10531}}^1$

素因数の和:10702

約数の個数: 64

約数和(自身を含む): 599060160

約数和(自身を除く): 400656120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3768, 4710, 6280, 9420, 10531, 18840, 21062, 31593, 42124, 52655, 63186, 84248, 105310, 126372, 157965, 210620, 252744, 315930, 421240, 631860, 1263720, 1653367, 3306734, 4960101, 6613468, 8266835, 9920202, 13226936, 16533670, 19840404, 24800505, 33067340, 39680808, 49601010, 66134680, 99202020, 198404040]

約数ペア:

[(1, 198404040), (2, 99202020), (3, 66134680), (4, 49601010), (5, 39680808), (6, 33067340), (8, 24800505), (10, 19840404), (12, 16533670), (15, 13226936), (20, 9920202), (24, 8266835), (30, 6613468), (40, 4960101), (60, 3306734), (120, 1653367), (157, 1263720), (314, 631860), (471, 421240), (628, 315930), (785, 252744), (942, 210620), (1256, 157965), (1570, 126372), (1884, 105310), (2355, 84248), (3140, 63186), (3768, 52655), (4710, 42124), (6280, 31593), (9420, 21062), (10531, 18840)]