210734480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2371}}^1$

素因数の和:2496

約数の個数: 80

約数和(自身を含む): 540019008

約数和(自身を除く): 329284528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 110, 176, 202, 220, 404, 440, 505, 808, 880, 1010, 1111, 1616, 2020, 2222, 2371, 4040, 4444, 4742, 5555, 8080, 8888, 9484, 11110, 11855, 17776, 18968, 22220, 23710, 26081, 37936, 44440, 47420, 52162, 88880, 94840, 104324, 130405, 189680, 208648, 239471, 260810, 417296, 478942, 521620, 957884, 1043240, 1197355, 1915768, 2086480, 2394710, 2634181, 3831536, 4789420, 5268362, 9578840, 10536724, 13170905, 19157680, 21073448, 26341810, 42146896, 52683620, 105367240, 210734480]

約数ペア:

[(1, 210734480), (2, 105367240), (4, 52683620), (5, 42146896), (8, 26341810), (10, 21073448), (11, 19157680), (16, 13170905), (20, 10536724), (22, 9578840), (40, 5268362), (44, 4789420), (55, 3831536), (80, 2634181), (88, 2394710), (101, 2086480), (110, 1915768), (176, 1197355), (202, 1043240), (220, 957884), (404, 521620), (440, 478942), (505, 417296), (808, 260810), (880, 239471), (1010, 208648), (1111, 189680), (1616, 130405), (2020, 104324), (2222, 94840), (2371, 88880), (4040, 52162), (4444, 47420), (4742, 44440), (5555, 37936), (8080, 26081), (8888, 23710), (9484, 22220), (11110, 18968), (11855, 17776)]