30186400

素因数分解:

$2^5\times 5^2\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:506

約数の個数: 72

約数和(自身を含む): 74643660

約数和(自身を除く): 44457260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 97, 100, 160, 194, 200, 388, 389, 400, 485, 776, 778, 800, 970, 1552, 1556, 1940, 1945, 2425, 3104, 3112, 3880, 3890, 4850, 6224, 7760, 7780, 9700, 9725, 12448, 15520, 15560, 19400, 19450, 31120, 37733, 38800, 38900, 62240, 75466, 77600, 77800, 150932, 155600, 188665, 301864, 311200, 377330, 603728, 754660, 943325, 1207456, 1509320, 1886650, 3018640, 3773300, 6037280, 7546600, 15093200, 30186400]

約数ペア:

[(1, 30186400), (2, 15093200), (4, 7546600), (5, 6037280), (8, 3773300), (10, 3018640), (16, 1886650), (20, 1509320), (25, 1207456), (32, 943325), (40, 754660), (50, 603728), (80, 377330), (97, 311200), (100, 301864), (160, 188665), (194, 155600), (200, 150932), (388, 77800), (389, 77600), (400, 75466), (485, 62240), (776, 38900), (778, 38800), (800, 37733), (970, 31120), (1552, 19450), (1556, 19400), (1940, 15560), (1945, 15520), (2425, 12448), (3104, 9725), (3112, 9700), (3880, 7780), (3890, 7760), (4850, 6224)]