2756390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{233}}^1$

素因数の和:273

約数の個数: 48

約数和(自身を含む): 6166368

約数和(自身を除く): 3409978

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 169, 182, 233, 338, 455, 466, 845, 910, 1165, 1183, 1631, 1690, 2330, 2366, 3029, 3262, 5915, 6058, 8155, 11830, 15145, 16310, 21203, 30290, 39377, 42406, 78754, 106015, 196885, 212030, 275639, 393770, 551278, 1378195, 2756390]

約数ペア:

[(1, 2756390), (2, 1378195), (5, 551278), (7, 393770), (10, 275639), (13, 212030), (14, 196885), (26, 106015), (35, 78754), (65, 42406), (70, 39377), (91, 30290), (130, 21203), (169, 16310), (182, 15145), (233, 11830), (338, 8155), (455, 6058), (466, 5915), (845, 3262), (910, 3029), (1165, 2366), (1183, 2330), (1631, 1690)]