409408970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{193}}^1\times {\mathrm{401}}^1$

素因数の和:647

約数の個数: 48

約数和(自身を含む): 776292552

約数和(自身を除く): 366883582

約数列:

[1, 2, 5, 10, 23, 46, 115, 193, 230, 386, 401, 529, 802, 965, 1058, 1930, 2005, 2645, 4010, 4439, 5290, 8878, 9223, 18446, 22195, 44390, 46115, 77393, 92230, 102097, 154786, 204194, 212129, 386965, 424258, 510485, 773930, 1020970, 1060645, 1780039, 2121290, 3560078, 8900195, 17800390, 40940897, 81881794, 204704485, 409408970]

約数ペア:

[(1, 409408970), (2, 204704485), (5, 81881794), (10, 40940897), (23, 17800390), (46, 8900195), (115, 3560078), (193, 2121290), (230, 1780039), (386, 1060645), (401, 1020970), (529, 773930), (802, 510485), (965, 424258), (1058, 386965), (1930, 212129), (2005, 204194), (2645, 154786), (4010, 102097), (4439, 92230), (5290, 77393), (8878, 46115), (9223, 44390), (18446, 22195)]