1218146020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{669311}}^1$

素因数の和:669340

約数の個数: 48

約数和(自身を含む): 3148443648

約数和(自身を除く): 1930297628

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, 669311, 1338622, 2677244, 3346555, 4685177, 6693110, 8701043, 9370354, 13386220, 17402086, 18740708, 23425885, 34804172, 43505215, 46851770, 60907301, 87010430, 93703540, 121814602, 174020860, 243629204, 304536505, 609073010, 1218146020]

約数ペア:

[(1, 1218146020), (2, 609073010), (4, 304536505), (5, 243629204), (7, 174020860), (10, 121814602), (13, 93703540), (14, 87010430), (20, 60907301), (26, 46851770), (28, 43505215), (35, 34804172), (52, 23425885), (65, 18740708), (70, 17402086), (91, 13386220), (130, 9370354), (140, 8701043), (182, 6693110), (260, 4685177), (364, 3346555), (455, 2677244), (910, 1338622), (1820, 669311)]