403780780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{81737}}^1$

素因数の和:81778

約数の個数: 48

約数和(自身を含む): 961238880

約数和(自身を除く): 557458100

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 81737, 163474, 326948, 408685, 817370, 1062581, 1553003, 1634740, 2125162, 3106006, 4250324, 5312905, 6212012, 7765015, 10625810, 15530030, 20189039, 21251620, 31060060, 40378078, 80756156, 100945195, 201890390, 403780780]

約数ペア:

[(1, 403780780), (2, 201890390), (4, 100945195), (5, 80756156), (10, 40378078), (13, 31060060), (19, 21251620), (20, 20189039), (26, 15530030), (38, 10625810), (52, 7765015), (65, 6212012), (76, 5312905), (95, 4250324), (130, 3106006), (190, 2125162), (247, 1634740), (260, 1553003), (380, 1062581), (494, 817370), (988, 408685), (1235, 326948), (2470, 163474), (4940, 81737)]