156739730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{43}}^2\times {\mathrm{173}}^1$

素因数の和:280

約数の個数: 72

約数和(自身を含む): 337945932

約数和(自身を除く): 181206202

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 173, 215, 245, 301, 346, 430, 490, 602, 865, 1211, 1505, 1730, 1849, 2107, 2422, 3010, 3698, 4214, 6055, 7439, 8477, 9245, 10535, 12110, 12943, 14878, 16954, 18490, 21070, 25886, 37195, 42385, 52073, 64715, 74390, 84770, 90601, 104146, 129430, 181202, 260365, 319877, 364511, 453005, 520730, 639754, 729022, 906010, 1599385, 1822555, 2239139, 3198770, 3645110, 4478278, 11195695, 15673973, 22391390, 31347946, 78369865, 156739730]

約数ペア:

[(1, 156739730), (2, 78369865), (5, 31347946), (7, 22391390), (10, 15673973), (14, 11195695), (35, 4478278), (43, 3645110), (49, 3198770), (70, 2239139), (86, 1822555), (98, 1599385), (173, 906010), (215, 729022), (245, 639754), (301, 520730), (346, 453005), (430, 364511), (490, 319877), (602, 260365), (865, 181202), (1211, 129430), (1505, 104146), (1730, 90601), (1849, 84770), (2107, 74390), (2422, 64715), (3010, 52073), (3698, 42385), (4214, 37195), (6055, 25886), (7439, 21070), (8477, 18490), (9245, 16954), (10535, 14878), (12110, 12943)]