208300510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 419904000

約数和(自身を除く): 211603490

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 149, 179, 298, 355, 358, 710, 745, 781, 895, 1490, 1562, 1639, 1790, 1969, 3278, 3905, 3938, 7810, 8195, 9845, 10579, 12709, 16390, 19690, 21158, 25418, 26671, 52895, 53342, 63545, 105790, 116369, 127090, 133355, 139799, 232738, 266710, 279598, 293381, 581845, 586762, 698995, 1163690, 1397990, 1466905, 1893641, 2933810, 3787282, 9468205, 18936410, 20830051, 41660102, 104150255, 208300510]

約数ペア:

[(1, 208300510), (2, 104150255), (5, 41660102), (10, 20830051), (11, 18936410), (22, 9468205), (55, 3787282), (71, 2933810), (110, 1893641), (142, 1466905), (149, 1397990), (179, 1163690), (298, 698995), (355, 586762), (358, 581845), (710, 293381), (745, 279598), (781, 266710), (895, 232738), (1490, 139799), (1562, 133355), (1639, 127090), (1790, 116369), (1969, 105790), (3278, 63545), (3905, 53342), (3938, 52895), (7810, 26671), (8195, 25418), (9845, 21158), (10579, 19690), (12709, 16390)]