28324000

素因数分解:

$2^5\times 5^3\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 71272656

約数和(自身を除く): 42948656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 73, 80, 97, 100, 125, 146, 160, 194, 200, 250, 292, 365, 388, 400, 485, 500, 584, 730, 776, 800, 970, 1000, 1168, 1460, 1552, 1825, 1940, 2000, 2336, 2425, 2920, 3104, 3650, 3880, 4000, 4850, 5840, 7081, 7300, 7760, 9125, 9700, 11680, 12125, 14162, 14600, 15520, 18250, 19400, 24250, 28324, 29200, 35405, 36500, 38800, 48500, 56648, 58400, 70810, 73000, 77600, 97000, 113296, 141620, 146000, 177025, 194000, 226592, 283240, 292000, 354050, 388000, 566480, 708100, 885125, 1132960, 1416200, 1770250, 2832400, 3540500, 5664800, 7081000, 14162000, 28324000]

約数ペア:

[(1, 28324000), (2, 14162000), (4, 7081000), (5, 5664800), (8, 3540500), (10, 2832400), (16, 1770250), (20, 1416200), (25, 1132960), (32, 885125), (40, 708100), (50, 566480), (73, 388000), (80, 354050), (97, 292000), (100, 283240), (125, 226592), (146, 194000), (160, 177025), (194, 146000), (200, 141620), (250, 113296), (292, 97000), (365, 77600), (388, 73000), (400, 70810), (485, 58400), (500, 56648), (584, 48500), (730, 38800), (776, 36500), (800, 35405), (970, 29200), (1000, 28324), (1168, 24250), (1460, 19400), (1552, 18250), (1825, 15520), (1940, 14600), (2000, 14162), (2336, 12125), (2425, 11680), (2920, 9700), (3104, 9125), (3650, 7760), (3880, 7300), (4000, 7081), (4850, 5840)]