203475890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 405324000

約数和(自身を除く): 201848110

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 149, 170, 277, 290, 298, 493, 554, 745, 986, 1385, 1490, 2465, 2533, 2770, 4321, 4709, 4930, 5066, 8033, 8642, 9418, 12665, 16066, 21605, 23545, 25330, 40165, 41273, 43210, 47090, 73457, 80330, 82546, 136561, 146914, 206365, 273122, 367285, 412730, 682805, 701641, 734570, 1196917, 1365610, 1403282, 2393834, 3508205, 5984585, 7016410, 11969170, 20347589, 40695178, 101737945, 203475890]

約数ペア:

[(1, 203475890), (2, 101737945), (5, 40695178), (10, 20347589), (17, 11969170), (29, 7016410), (34, 5984585), (58, 3508205), (85, 2393834), (145, 1403282), (149, 1365610), (170, 1196917), (277, 734570), (290, 701641), (298, 682805), (493, 412730), (554, 367285), (745, 273122), (986, 206365), (1385, 146914), (1490, 136561), (2465, 82546), (2533, 80330), (2770, 73457), (4321, 47090), (4709, 43210), (4930, 41273), (5066, 40165), (8033, 25330), (8642, 23545), (9418, 21605), (12665, 16066)]