208510890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1549}}^1$

素因数の和:2207

約数の個数: 64

約数和(自身を含む): 573177600

約数和(自身を除く): 364666710

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 641, 1282, 1549, 1923, 3098, 3205, 3846, 4487, 4647, 6410, 7745, 8974, 9294, 9615, 10843, 13461, 15490, 19230, 21686, 22435, 23235, 26922, 32529, 44870, 46470, 54215, 65058, 67305, 108430, 134610, 162645, 325290, 992909, 1985818, 2978727, 4964545, 5957454, 6950363, 9929090, 13900726, 14893635, 20851089, 29787270, 34751815, 41702178, 69503630, 104255445, 208510890]

約数ペア:

[(1, 208510890), (2, 104255445), (3, 69503630), (5, 41702178), (6, 34751815), (7, 29787270), (10, 20851089), (14, 14893635), (15, 13900726), (21, 9929090), (30, 6950363), (35, 5957454), (42, 4964545), (70, 2978727), (105, 1985818), (210, 992909), (641, 325290), (1282, 162645), (1549, 134610), (1923, 108430), (3098, 67305), (3205, 65058), (3846, 54215), (4487, 46470), (4647, 44870), (6410, 32529), (7745, 26922), (8974, 23235), (9294, 22435), (9615, 21686), (10843, 19230), (13461, 15490)]