320418890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:504

約数の個数: 96

約数和(自身を含む): 691023312

約数和(自身を除く): 370604422

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 37, 55, 74, 85, 110, 121, 170, 185, 187, 242, 370, 374, 407, 421, 605, 629, 814, 842, 935, 1210, 1258, 1870, 2035, 2057, 2105, 3145, 4070, 4114, 4210, 4477, 4631, 6290, 6919, 7157, 8954, 9262, 10285, 13838, 14314, 15577, 20570, 22385, 23155, 31154, 34595, 35785, 44770, 46310, 50941, 69190, 71570, 76109, 77885, 78727, 101882, 152218, 155770, 157454, 171347, 254705, 264809, 342694, 380545, 393635, 509410, 529618, 761090, 787270, 856735, 865997, 1324045, 1713470, 1731994, 1884817, 2648090, 2912899, 3769634, 4329985, 5825798, 8659970, 9424085, 14564495, 18848170, 29128990, 32041889, 64083778, 160209445, 320418890]

約数ペア:

[(1, 320418890), (2, 160209445), (5, 64083778), (10, 32041889), (11, 29128990), (17, 18848170), (22, 14564495), (34, 9424085), (37, 8659970), (55, 5825798), (74, 4329985), (85, 3769634), (110, 2912899), (121, 2648090), (170, 1884817), (185, 1731994), (187, 1713470), (242, 1324045), (370, 865997), (374, 856735), (407, 787270), (421, 761090), (605, 529618), (629, 509410), (814, 393635), (842, 380545), (935, 342694), (1210, 264809), (1258, 254705), (1870, 171347), (2035, 157454), (2057, 155770), (2105, 152218), (3145, 101882), (4070, 78727), (4114, 77885), (4210, 76109), (4477, 71570), (4631, 69190), (6290, 50941), (6919, 46310), (7157, 44770), (8954, 35785), (9262, 34595), (10285, 31154), (13838, 23155), (14314, 22385), (15577, 20570)]