4289740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2357}}^1$

素因数の和:2386

約数の個数: 48

約数和(自身を含む): 11092032

約数和(自身を除く): 6802292

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 2357, 4714, 9428, 11785, 16499, 23570, 30641, 32998, 47140, 61282, 65996, 82495, 122564, 153205, 164990, 214487, 306410, 329980, 428974, 612820, 857948, 1072435, 2144870, 4289740]

約数ペア:

[(1, 4289740), (2, 2144870), (4, 1072435), (5, 857948), (7, 612820), (10, 428974), (13, 329980), (14, 306410), (20, 214487), (26, 164990), (28, 153205), (35, 122564), (52, 82495), (65, 65996), (70, 61282), (91, 47140), (130, 32998), (140, 30641), (182, 23570), (260, 16499), (364, 11785), (455, 9428), (910, 4714), (1820, 2357)]