2918536420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{178613}}^1$

素因数の和:178684

約数の個数: 48

約数和(自身を含む): 6601573440

約数和(自身を除く): 3683037020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 8170, 16340, 178613, 357226, 714452, 893065, 1786130, 3393647, 3572260, 6787294, 7680359, 13574588, 15360718, 16968235, 30721436, 33936470, 38401795, 67872940, 76803590, 145926821, 153607180, 291853642, 583707284, 729634105, 1459268210, 2918536420]

約数ペア:

[(1, 2918536420), (2, 1459268210), (4, 729634105), (5, 583707284), (10, 291853642), (19, 153607180), (20, 145926821), (38, 76803590), (43, 67872940), (76, 38401795), (86, 33936470), (95, 30721436), (172, 16968235), (190, 15360718), (215, 13574588), (380, 7680359), (430, 6787294), (817, 3572260), (860, 3393647), (1634, 1786130), (3268, 893065), (4085, 714452), (8170, 357226), (16340, 178613)]