278340244

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 619911936

約数和(自身を除く): 341571692

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 67, 91, 101, 113, 134, 182, 202, 226, 268, 364, 404, 452, 469, 707, 791, 871, 938, 1313, 1414, 1469, 1582, 1742, 1876, 2626, 2828, 2938, 3164, 3484, 5252, 5876, 6097, 6767, 7571, 9191, 10283, 11413, 12194, 13534, 15142, 18382, 20566, 22826, 24388, 27068, 30284, 36764, 41132, 45652, 47369, 52997, 79891, 87971, 94738, 98423, 105994, 148369, 159782, 175942, 189476, 196846, 211988, 296738, 319564, 351884, 393692, 593476, 615797, 688961, 764671, 1038583, 1231594, 1377922, 1529342, 2077166, 2463188, 2755844, 3058684, 4154332, 5352697, 9940723, 10705394, 19881446, 21410788, 39762892, 69585061, 139170122, 278340244]

約数ペア:

[(1, 278340244), (2, 139170122), (4, 69585061), (7, 39762892), (13, 21410788), (14, 19881446), (26, 10705394), (28, 9940723), (52, 5352697), (67, 4154332), (91, 3058684), (101, 2755844), (113, 2463188), (134, 2077166), (182, 1529342), (202, 1377922), (226, 1231594), (268, 1038583), (364, 764671), (404, 688961), (452, 615797), (469, 593476), (707, 393692), (791, 351884), (871, 319564), (938, 296738), (1313, 211988), (1414, 196846), (1469, 189476), (1582, 175942), (1742, 159782), (1876, 148369), (2626, 105994), (2828, 98423), (2938, 94738), (3164, 87971), (3484, 79891), (5252, 52997), (5876, 47369), (6097, 45652), (6767, 41132), (7571, 36764), (9191, 30284), (10283, 27068), (11413, 24388), (12194, 22826), (13534, 20566), (15142, 18382)]