400841090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{7121}}^1$

素因数の和:7574

約数の個数: 32

約数和(自身を含む): 778918896

約数和(自身を除く): 378077806

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 433, 866, 2165, 4330, 5629, 7121, 11258, 14242, 28145, 35605, 56290, 71210, 92573, 185146, 462865, 925730, 3083393, 6166786, 15416965, 30833930, 40084109, 80168218, 200420545, 400841090]

約数ペア:

[(1, 400841090), (2, 200420545), (5, 80168218), (10, 40084109), (13, 30833930), (26, 15416965), (65, 6166786), (130, 3083393), (433, 925730), (866, 462865), (2165, 185146), (4330, 92573), (5629, 71210), (7121, 56290), (11258, 35605), (14242, 28145)]