157501940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{3109}}^1$

素因数の和:3284

約数の個数: 48

約数和(自身を含む): 352674000

約数和(自身を除く): 195172060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 149, 170, 298, 340, 596, 745, 1490, 2533, 2980, 3109, 5066, 6218, 10132, 12436, 12665, 15545, 25330, 31090, 50660, 52853, 62180, 105706, 211412, 264265, 463241, 528530, 926482, 1057060, 1852964, 2316205, 4632410, 7875097, 9264820, 15750194, 31500388, 39375485, 78750970, 157501940]

約数ペア:

[(1, 157501940), (2, 78750970), (4, 39375485), (5, 31500388), (10, 15750194), (17, 9264820), (20, 7875097), (34, 4632410), (68, 2316205), (85, 1852964), (149, 1057060), (170, 926482), (298, 528530), (340, 463241), (596, 264265), (745, 211412), (1490, 105706), (2533, 62180), (2980, 52853), (3109, 50660), (5066, 31090), (6218, 25330), (10132, 15545), (12436, 12665)]