313609840

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{55213}}^1$

素因数の和:55297

約数の個数: 40

約数和(自身を含む): 739425888

約数和(自身を除く): 425816048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 55213, 110426, 220852, 276065, 441704, 552130, 883408, 1104260, 2208520, 3920123, 4417040, 7840246, 15680492, 19600615, 31360984, 39201230, 62721968, 78402460, 156804920, 313609840]

約数ペア:

[(1, 313609840), (2, 156804920), (4, 78402460), (5, 62721968), (8, 39201230), (10, 31360984), (16, 19600615), (20, 15680492), (40, 7840246), (71, 4417040), (80, 3920123), (142, 2208520), (284, 1104260), (355, 883408), (568, 552130), (710, 441704), (1136, 276065), (1420, 220852), (2840, 110426), (5680, 55213)]