1777973330

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{28571}}^1$

素因数の和:28719

約数の個数: 48

約数和(自身を含む): 3752303616

約数和(自身を除く): 1974330286

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 127, 245, 254, 490, 635, 889, 1270, 1778, 4445, 6223, 8890, 12446, 28571, 31115, 57142, 62230, 142855, 199997, 285710, 399994, 999985, 1399979, 1999970, 2799958, 3628517, 6999895, 7257034, 13999790, 18142585, 25399619, 36285170, 50799238, 126998095, 177797333, 253996190, 355594666, 888986665, 1777973330]

約数ペア:

[(1, 1777973330), (2, 888986665), (5, 355594666), (7, 253996190), (10, 177797333), (14, 126998095), (35, 50799238), (49, 36285170), (70, 25399619), (98, 18142585), (127, 13999790), (245, 7257034), (254, 6999895), (490, 3628517), (635, 2799958), (889, 1999970), (1270, 1399979), (1778, 999985), (4445, 399994), (6223, 285710), (8890, 199997), (12446, 142855), (28571, 62230), (31115, 57142)]