3944460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{389}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 11990160

約数和(自身を除く): 8045700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 389, 390, 507, 676, 778, 780, 845, 1014, 1167, 1556, 1690, 1945, 2028, 2334, 2535, 3380, 3890, 4668, 5057, 5070, 5835, 7780, 10114, 10140, 11670, 15171, 20228, 23340, 25285, 30342, 50570, 60684, 65741, 75855, 101140, 131482, 151710, 197223, 262964, 303420, 328705, 394446, 657410, 788892, 986115, 1314820, 1972230, 3944460]

約数ペア:

[(1, 3944460), (2, 1972230), (3, 1314820), (4, 986115), (5, 788892), (6, 657410), (10, 394446), (12, 328705), (13, 303420), (15, 262964), (20, 197223), (26, 151710), (30, 131482), (39, 101140), (52, 75855), (60, 65741), (65, 60684), (78, 50570), (130, 30342), (156, 25285), (169, 23340), (195, 20228), (260, 15171), (338, 11670), (389, 10140), (390, 10114), (507, 7780), (676, 5835), (778, 5070), (780, 5057), (845, 4668), (1014, 3890), (1167, 3380), (1556, 2535), (1690, 2334), (1945, 2028)]