278340756

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^2\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 685631520

約数和(自身を除く): 407290764

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 163, 269, 276, 326, 489, 529, 538, 652, 807, 978, 1058, 1076, 1587, 1614, 1956, 2116, 3174, 3228, 3749, 6187, 6348, 7498, 11247, 12374, 14996, 18561, 22494, 24748, 37122, 43847, 44988, 74244, 86227, 87694, 131541, 142301, 172454, 175388, 258681, 263082, 284602, 344908, 426903, 517362, 526164, 569204, 853806, 1008481, 1034724, 1707612, 2016962, 3025443, 4033924, 6050886, 12101772, 23195063, 46390126, 69585189, 92780252, 139170378, 278340756]

約数ペア:

[(1, 278340756), (2, 139170378), (3, 92780252), (4, 69585189), (6, 46390126), (12, 23195063), (23, 12101772), (46, 6050886), (69, 4033924), (92, 3025443), (138, 2016962), (163, 1707612), (269, 1034724), (276, 1008481), (326, 853806), (489, 569204), (529, 526164), (538, 517362), (652, 426903), (807, 344908), (978, 284602), (1058, 263082), (1076, 258681), (1587, 175388), (1614, 172454), (1956, 142301), (2116, 131541), (3174, 87694), (3228, 86227), (3749, 74244), (6187, 44988), (6348, 43847), (7498, 37122), (11247, 24748), (12374, 22494), (14996, 18561)]