1788950020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{625507}}^1$

素因数の和:625540

約数の個数: 48

約数和(自身を含む): 4413584448

約数和(自身を除く): 2624634428

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 625507, 1251014, 2502028, 3127535, 6255070, 6880577, 8131591, 12510140, 13761154, 16263182, 27522308, 32526364, 34402885, 40657955, 68805770, 81315910, 89447501, 137611540, 162631820, 178895002, 357790004, 447237505, 894475010, 1788950020]

約数ペア:

[(1, 1788950020), (2, 894475010), (4, 447237505), (5, 357790004), (10, 178895002), (11, 162631820), (13, 137611540), (20, 89447501), (22, 81315910), (26, 68805770), (44, 40657955), (52, 34402885), (55, 32526364), (65, 27522308), (110, 16263182), (130, 13761154), (143, 12510140), (220, 8131591), (260, 6880577), (286, 6255070), (572, 3127535), (715, 2502028), (1430, 1251014), (2860, 625507)]