204065960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1075

約数の個数: 128

約数和(自身を含む): 569099520

約数和(自身を除く): 365033560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 43, 56, 68, 70, 85, 86, 119, 136, 140, 170, 172, 215, 238, 280, 301, 340, 344, 430, 476, 595, 602, 680, 731, 860, 952, 997, 1190, 1204, 1462, 1505, 1720, 1994, 2380, 2408, 2924, 3010, 3655, 3988, 4760, 4985, 5117, 5848, 6020, 6979, 7310, 7976, 9970, 10234, 12040, 13958, 14620, 16949, 19940, 20468, 25585, 27916, 29240, 33898, 34895, 39880, 40936, 42871, 51170, 55832, 67796, 69790, 84745, 85742, 102340, 118643, 135592, 139580, 169490, 171484, 204680, 214355, 237286, 279160, 300097, 338980, 342968, 428710, 474572, 593215, 600194, 677960, 728807, 857420, 949144, 1186430, 1200388, 1457614, 1500485, 1714840, 2372860, 2400776, 2915228, 3000970, 3644035, 4745720, 5101649, 5830456, 6001940, 7288070, 10203298, 12003880, 14576140, 20406596, 25508245, 29152280, 40813192, 51016490, 102032980, 204065960]

約数ペア:

[(1, 204065960), (2, 102032980), (4, 51016490), (5, 40813192), (7, 29152280), (8, 25508245), (10, 20406596), (14, 14576140), (17, 12003880), (20, 10203298), (28, 7288070), (34, 6001940), (35, 5830456), (40, 5101649), (43, 4745720), (56, 3644035), (68, 3000970), (70, 2915228), (85, 2400776), (86, 2372860), (119, 1714840), (136, 1500485), (140, 1457614), (170, 1200388), (172, 1186430), (215, 949144), (238, 857420), (280, 728807), (301, 677960), (340, 600194), (344, 593215), (430, 474572), (476, 428710), (595, 342968), (602, 338980), (680, 300097), (731, 279160), (860, 237286), (952, 214355), (997, 204680), (1190, 171484), (1204, 169490), (1462, 139580), (1505, 135592), (1720, 118643), (1994, 102340), (2380, 85742), (2408, 84745), (2924, 69790), (3010, 67796), (3655, 55832), (3988, 51170), (4760, 42871), (4985, 40936), (5117, 39880), (5848, 34895), (6020, 33898), (6979, 29240), (7310, 27916), (7976, 25585), (9970, 20468), (10234, 19940), (12040, 16949), (13958, 14620)]