391887340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^2$

素因数の和:200

約数の個数: 108

約数和(自身を含む): 943164432

約数和(自身を除く): 551277092

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 71, 92, 115, 130, 142, 169, 230, 260, 284, 299, 338, 355, 460, 598, 676, 710, 845, 923, 1196, 1420, 1495, 1633, 1690, 1846, 2990, 3266, 3380, 3692, 3887, 4615, 5041, 5980, 6532, 7774, 8165, 9230, 10082, 11999, 15548, 16330, 18460, 19435, 20164, 21229, 23998, 25205, 32660, 38870, 42458, 47996, 50410, 59995, 65533, 77740, 84916, 100820, 106145, 115943, 119990, 131066, 212290, 231886, 239980, 262132, 275977, 327665, 424580, 463772, 551954, 579715, 655330, 851929, 1103908, 1159430, 1310660, 1379885, 1507259, 1703858, 2318860, 2759770, 3014518, 3407716, 4259645, 5519540, 6029036, 7536295, 8519290, 15072590, 17038580, 19594367, 30145180, 39188734, 78377468, 97971835, 195943670, 391887340]

約数ペア:

[(1, 391887340), (2, 195943670), (4, 97971835), (5, 78377468), (10, 39188734), (13, 30145180), (20, 19594367), (23, 17038580), (26, 15072590), (46, 8519290), (52, 7536295), (65, 6029036), (71, 5519540), (92, 4259645), (115, 3407716), (130, 3014518), (142, 2759770), (169, 2318860), (230, 1703858), (260, 1507259), (284, 1379885), (299, 1310660), (338, 1159430), (355, 1103908), (460, 851929), (598, 655330), (676, 579715), (710, 551954), (845, 463772), (923, 424580), (1196, 327665), (1420, 275977), (1495, 262132), (1633, 239980), (1690, 231886), (1846, 212290), (2990, 131066), (3266, 119990), (3380, 115943), (3692, 106145), (3887, 100820), (4615, 84916), (5041, 77740), (5980, 65533), (6532, 59995), (7774, 50410), (8165, 47996), (9230, 42458), (10082, 38870), (11999, 32660), (15548, 25205), (16330, 23998), (18460, 21229), (19435, 20164)]