291880420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{30341}}^1$

素因数の和:30400

約数の個数: 48

約数和(自身を含む): 677961648

約数和(自身を除く): 386081228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 30341, 60682, 121364, 151705, 303410, 394433, 606820, 788866, 1122617, 1577732, 1972165, 2245234, 3944330, 4490468, 5613085, 7888660, 11226170, 14594021, 22452340, 29188042, 58376084, 72970105, 145940210, 291880420]

約数ペア:

[(1, 291880420), (2, 145940210), (4, 72970105), (5, 58376084), (10, 29188042), (13, 22452340), (20, 14594021), (26, 11226170), (37, 7888660), (52, 5613085), (65, 4490468), (74, 3944330), (130, 2245234), (148, 1972165), (185, 1577732), (260, 1122617), (370, 788866), (481, 606820), (740, 394433), (962, 303410), (1924, 151705), (2405, 121364), (4810, 60682), (9620, 30341)]