75515860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 185812704

約数和(自身を除く): 110296844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 251, 307, 490, 502, 614, 980, 1004, 1228, 1255, 1535, 1757, 2149, 2510, 3070, 3514, 4298, 5020, 6140, 7028, 8596, 8785, 10745, 12299, 15043, 17570, 21490, 24598, 30086, 35140, 42980, 49196, 60172, 61495, 75215, 77057, 122990, 150430, 154114, 245980, 300860, 308228, 385285, 539399, 770570, 1078798, 1541140, 2157596, 2696995, 3775793, 5393990, 7551586, 10787980, 15103172, 18878965, 37757930, 75515860]

約数ペア:

[(1, 75515860), (2, 37757930), (4, 18878965), (5, 15103172), (7, 10787980), (10, 7551586), (14, 5393990), (20, 3775793), (28, 2696995), (35, 2157596), (49, 1541140), (70, 1078798), (98, 770570), (140, 539399), (196, 385285), (245, 308228), (251, 300860), (307, 245980), (490, 154114), (502, 150430), (614, 122990), (980, 77057), (1004, 75215), (1228, 61495), (1255, 60172), (1535, 49196), (1757, 42980), (2149, 35140), (2510, 30086), (3070, 24598), (3514, 21490), (4298, 17570), (5020, 15043), (6140, 12299), (7028, 10745), (8596, 8785)]