1860987970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139609}}^1$

素因数の和:139690

約数の個数: 32

約数和(自身を含む): 3538275840

約数和(自身を除く): 1677287870

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 155, 215, 310, 430, 1333, 2666, 6665, 13330, 139609, 279218, 698045, 1396090, 4327879, 6003187, 8655758, 12006374, 21639395, 30015935, 43278790, 60031870, 186098797, 372197594, 930493985, 1860987970]

約数ペア:

[(1, 1860987970), (2, 930493985), (5, 372197594), (10, 186098797), (31, 60031870), (43, 43278790), (62, 30015935), (86, 21639395), (155, 12006374), (215, 8655758), (310, 6003187), (430, 4327879), (1333, 1396090), (2666, 698045), (6665, 279218), (13330, 139609)]