1399681990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{83663}}^1$

素因数の和:83916

約数の個数: 32

約数和(自身を含む): 2891427840

約数和(自身を除く): 1491745850

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 239, 478, 1195, 1673, 2390, 3346, 8365, 16730, 83663, 167326, 418315, 585641, 836630, 1171282, 2928205, 5856410, 19995457, 39990914, 99977285, 139968199, 199954570, 279936398, 699840995, 1399681990]

約数ペア:

[(1, 1399681990), (2, 699840995), (5, 279936398), (7, 199954570), (10, 139968199), (14, 99977285), (35, 39990914), (70, 19995457), (239, 5856410), (478, 2928205), (1195, 1171282), (1673, 836630), (2390, 585641), (3346, 418315), (8365, 167326), (16730, 83663)]