277071990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{710441}}^1$

素因数の和:710464

約数の個数: 32

約数和(自身を含む): 716125536

約数和(自身を除く): 439053546

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 710441, 1420882, 2131323, 3552205, 4262646, 7104410, 9235733, 10656615, 18471466, 21313230, 27707199, 46178665, 55414398, 92357330, 138535995, 277071990]

約数ペア:

[(1, 277071990), (2, 138535995), (3, 92357330), (5, 55414398), (6, 46178665), (10, 27707199), (13, 21313230), (15, 18471466), (26, 10656615), (30, 9235733), (39, 7104410), (65, 4262646), (78, 3552205), (130, 2131323), (195, 1420882), (390, 710441)]