1727740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 4424112

約数和(自身を除く): 2696372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 43, 49, 70, 82, 86, 98, 140, 164, 172, 196, 205, 215, 245, 287, 301, 410, 430, 490, 574, 602, 820, 860, 980, 1148, 1204, 1435, 1505, 1763, 2009, 2107, 2870, 3010, 3526, 4018, 4214, 5740, 6020, 7052, 8036, 8428, 8815, 10045, 10535, 12341, 17630, 20090, 21070, 24682, 35260, 40180, 42140, 49364, 61705, 86387, 123410, 172774, 246820, 345548, 431935, 863870, 1727740]

約数ペア:

[(1, 1727740), (2, 863870), (4, 431935), (5, 345548), (7, 246820), (10, 172774), (14, 123410), (20, 86387), (28, 61705), (35, 49364), (41, 42140), (43, 40180), (49, 35260), (70, 24682), (82, 21070), (86, 20090), (98, 17630), (140, 12341), (164, 10535), (172, 10045), (196, 8815), (205, 8428), (215, 8036), (245, 7052), (287, 6020), (301, 5740), (410, 4214), (430, 4018), (490, 3526), (574, 3010), (602, 2870), (820, 2107), (860, 2009), (980, 1763), (1148, 1505), (1204, 1435)]