1907973140

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1\times {\mathrm{1321}}^1$

素因数の和:1868

約数の個数: 48

約数和(自身を含む): 4039704144

約数和(自身を除く): 2131731004

約数列:

[1, 2, 4, 5, 10, 20, 257, 281, 514, 562, 1028, 1124, 1285, 1321, 1405, 2570, 2642, 2810, 5140, 5284, 5620, 6605, 13210, 26420, 72217, 144434, 288868, 339497, 361085, 371201, 678994, 722170, 742402, 1357988, 1444340, 1484804, 1697485, 1856005, 3394970, 3712010, 6789940, 7424020, 95398657, 190797314, 381594628, 476993285, 953986570, 1907973140]

約数ペア:

[(1, 1907973140), (2, 953986570), (4, 476993285), (5, 381594628), (10, 190797314), (20, 95398657), (257, 7424020), (281, 6789940), (514, 3712010), (562, 3394970), (1028, 1856005), (1124, 1697485), (1285, 1484804), (1321, 1444340), (1405, 1357988), (2570, 742402), (2642, 722170), (2810, 678994), (5140, 371201), (5284, 361085), (5620, 339497), (6605, 288868), (13210, 144434), (26420, 72217)]