156939800

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{19139}}^1$

素因数の和:19196

約数の個数: 48

約数和(自身を含む): 373804200

約数和(自身を除く): 216864400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 4100, 8200, 19139, 38278, 76556, 95695, 153112, 191390, 382780, 478475, 765560, 784699, 956950, 1569398, 1913900, 3138796, 3827800, 3923495, 6277592, 7846990, 15693980, 19617475, 31387960, 39234950, 78469900, 156939800]

約数ペア:

[(1, 156939800), (2, 78469900), (4, 39234950), (5, 31387960), (8, 19617475), (10, 15693980), (20, 7846990), (25, 6277592), (40, 3923495), (41, 3827800), (50, 3138796), (82, 1913900), (100, 1569398), (164, 956950), (200, 784699), (205, 765560), (328, 478475), (410, 382780), (820, 191390), (1025, 153112), (1640, 95695), (2050, 76556), (4100, 38278), (8200, 19139)]