15949420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 35108640

約数和(自身を除く): 19159220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 107, 116, 145, 214, 257, 290, 428, 514, 535, 580, 1028, 1070, 1285, 2140, 2570, 3103, 5140, 6206, 7453, 12412, 14906, 15515, 27499, 29812, 31030, 37265, 54998, 62060, 74530, 109996, 137495, 149060, 274990, 549980, 797471, 1594942, 3189884, 3987355, 7974710, 15949420]

約数ペア:

[(1, 15949420), (2, 7974710), (4, 3987355), (5, 3189884), (10, 1594942), (20, 797471), (29, 549980), (58, 274990), (107, 149060), (116, 137495), (145, 109996), (214, 74530), (257, 62060), (290, 54998), (428, 37265), (514, 31030), (535, 29812), (580, 27499), (1028, 15515), (1070, 14906), (1285, 12412), (2140, 7453), (2570, 6206), (3103, 5140)]