309794860

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{2371}}^1$

素因数の和:2566

約数の個数: 48

約数和(自身を含む): 669473280

約数和(自身を除く): 359678420

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 139, 188, 235, 278, 470, 556, 695, 940, 1390, 2371, 2780, 4742, 6533, 9484, 11855, 13066, 23710, 26132, 32665, 47420, 65330, 111437, 130660, 222874, 329569, 445748, 557185, 659138, 1114370, 1318276, 1647845, 2228740, 3295690, 6591380, 15489743, 30979486, 61958972, 77448715, 154897430, 309794860]

約数ペア:

[(1, 309794860), (2, 154897430), (4, 77448715), (5, 61958972), (10, 30979486), (20, 15489743), (47, 6591380), (94, 3295690), (139, 2228740), (188, 1647845), (235, 1318276), (278, 1114370), (470, 659138), (556, 557185), (695, 445748), (940, 329569), (1390, 222874), (2371, 130660), (2780, 111437), (4742, 65330), (6533, 47420), (9484, 32665), (11855, 26132), (13066, 23710)]