1999270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^4$

素因数の和:66

約数の個数: 40

約数和(自身を含む): 4455504

約数和(自身を除く): 2456234

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 169, 182, 338, 455, 845, 910, 1183, 1690, 2197, 2366, 4394, 5915, 10985, 11830, 15379, 21970, 28561, 30758, 57122, 76895, 142805, 153790, 199927, 285610, 399854, 999635, 1999270]

約数ペア:

[(1, 1999270), (2, 999635), (5, 399854), (7, 285610), (10, 199927), (13, 153790), (14, 142805), (26, 76895), (35, 57122), (65, 30758), (70, 28561), (91, 21970), (130, 15379), (169, 11830), (182, 10985), (338, 5915), (455, 4394), (845, 2366), (910, 2197), (1183, 1690)]