1378916840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{1993}}^1$

素因数の和:2371

約数の個数: 96

約数和(自身を含む): 3621143880

約数和(自身を除く): 2242227040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 353, 392, 490, 706, 980, 1412, 1765, 1960, 1993, 2471, 2824, 3530, 3986, 4942, 7060, 7972, 9884, 9965, 12355, 13951, 14120, 15944, 17297, 19768, 19930, 24710, 27902, 34594, 39860, 49420, 55804, 69188, 69755, 79720, 86485, 97657, 98840, 111608, 138376, 139510, 172970, 195314, 279020, 345940, 390628, 488285, 558040, 691880, 703529, 781256, 976570, 1407058, 1953140, 2814116, 3517645, 3906280, 4924703, 5628232, 7035290, 9849406, 14070580, 19698812, 24623515, 28141160, 34472921, 39397624, 49247030, 68945842, 98494060, 137891684, 172364605, 196988120, 275783368, 344729210, 689458420, 1378916840]

約数ペア:

[(1, 1378916840), (2, 689458420), (4, 344729210), (5, 275783368), (7, 196988120), (8, 172364605), (10, 137891684), (14, 98494060), (20, 68945842), (28, 49247030), (35, 39397624), (40, 34472921), (49, 28141160), (56, 24623515), (70, 19698812), (98, 14070580), (140, 9849406), (196, 7035290), (245, 5628232), (280, 4924703), (353, 3906280), (392, 3517645), (490, 2814116), (706, 1953140), (980, 1407058), (1412, 976570), (1765, 781256), (1960, 703529), (1993, 691880), (2471, 558040), (2824, 488285), (3530, 390628), (3986, 345940), (4942, 279020), (7060, 195314), (7972, 172970), (9884, 139510), (9965, 138376), (12355, 111608), (13951, 98840), (14120, 97657), (15944, 86485), (17297, 79720), (19768, 69755), (19930, 69188), (24710, 55804), (27902, 49420), (34594, 39860)]