401040860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{4457}}^1$

素因数の和:4886

約数の個数: 48

約数和(自身を含む): 921201120

約数和(自身を除く): 520160260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 409, 818, 1636, 2045, 4090, 4457, 4499, 8180, 8914, 8998, 17828, 17996, 22285, 22495, 44570, 44990, 49027, 89140, 89980, 98054, 196108, 245135, 490270, 980540, 1822913, 3645826, 7291652, 9114565, 18229130, 20052043, 36458260, 40104086, 80208172, 100260215, 200520430, 401040860]

約数ペア:

[(1, 401040860), (2, 200520430), (4, 100260215), (5, 80208172), (10, 40104086), (11, 36458260), (20, 20052043), (22, 18229130), (44, 9114565), (55, 7291652), (110, 3645826), (220, 1822913), (409, 980540), (818, 490270), (1636, 245135), (2045, 196108), (4090, 98054), (4457, 89980), (4499, 89140), (8180, 49027), (8914, 44990), (8998, 44570), (17828, 22495), (17996, 22285)]