328925560

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{222247}}^1$

素因数の和:222295

約数の個数: 32

約数和(自身を含む): 760088160

約数和(自身を除く): 431162600

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 222247, 444494, 888988, 1111235, 1777976, 2222470, 4444940, 8223139, 8889880, 16446278, 32892556, 41115695, 65785112, 82231390, 164462780, 328925560]

約数ペア:

[(1, 328925560), (2, 164462780), (4, 82231390), (5, 65785112), (8, 41115695), (10, 32892556), (20, 16446278), (37, 8889880), (40, 8223139), (74, 4444940), (148, 2222470), (185, 1777976), (296, 1111235), (370, 888988), (740, 444494), (1480, 222247)]