255779388

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{547}}^1$

素因数の和:1007

約数の個数: 72

約数和(自身を含む): 670225920

約数和(自身を除く): 414446532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 419, 547, 558, 838, 1094, 1116, 1257, 1641, 1676, 2188, 2514, 3282, 3771, 4923, 5028, 6564, 7542, 9846, 12989, 15084, 16957, 19692, 25978, 33914, 38967, 50871, 51956, 67828, 77934, 101742, 116901, 152613, 155868, 203484, 229193, 233802, 305226, 458386, 467604, 610452, 687579, 916772, 1375158, 2062737, 2750316, 4125474, 7104983, 8250948, 14209966, 21314949, 28419932, 42629898, 63944847, 85259796, 127889694, 255779388]

約数ペア:

[(1, 255779388), (2, 127889694), (3, 85259796), (4, 63944847), (6, 42629898), (9, 28419932), (12, 21314949), (18, 14209966), (31, 8250948), (36, 7104983), (62, 4125474), (93, 2750316), (124, 2062737), (186, 1375158), (279, 916772), (372, 687579), (419, 610452), (547, 467604), (558, 458386), (838, 305226), (1094, 233802), (1116, 229193), (1257, 203484), (1641, 155868), (1676, 152613), (2188, 116901), (2514, 101742), (3282, 77934), (3771, 67828), (4923, 51956), (5028, 50871), (6564, 38967), (7542, 33914), (9846, 25978), (12989, 19692), (15084, 16957)]