1225268440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2784701}}^1$

素因数の和:2784723

約数の個数: 32

約数和(自身を含む): 3007478160

約数和(自身を除く): 1782209720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2784701, 5569402, 11138804, 13923505, 22277608, 27847010, 30631711, 55694020, 61263422, 111388040, 122526844, 153158555, 245053688, 306317110, 612634220, 1225268440]

約数ペア:

[(1, 1225268440), (2, 612634220), (4, 306317110), (5, 245053688), (8, 153158555), (10, 122526844), (11, 111388040), (20, 61263422), (22, 55694020), (40, 30631711), (44, 27847010), (55, 22277608), (88, 13923505), (110, 11138804), (220, 5569402), (440, 2784701)]