303790540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{613}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 649857600

約数和(自身を除く): 346067060

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 349, 355, 613, 698, 710, 1226, 1396, 1420, 1745, 2452, 3065, 3490, 6130, 6980, 12260, 24779, 43523, 49558, 87046, 99116, 123895, 174092, 213937, 217615, 247790, 427874, 435230, 495580, 855748, 870460, 1069685, 2139370, 4278740, 15189527, 30379054, 60758108, 75947635, 151895270, 303790540]

約数ペア:

[(1, 303790540), (2, 151895270), (4, 75947635), (5, 60758108), (10, 30379054), (20, 15189527), (71, 4278740), (142, 2139370), (284, 1069685), (349, 870460), (355, 855748), (613, 495580), (698, 435230), (710, 427874), (1226, 247790), (1396, 217615), (1420, 213937), (1745, 174092), (2452, 123895), (3065, 99116), (3490, 87046), (6130, 49558), (6980, 43523), (12260, 24779)]