205459620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1283}}^1$

素因数の和:1469

約数の個数: 96

約数和(自身を含む): 613484928

約数和(自身を除く): 408025308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 157, 170, 204, 255, 314, 340, 471, 510, 628, 785, 942, 1020, 1283, 1570, 1884, 2355, 2566, 2669, 3140, 3849, 4710, 5132, 5338, 6415, 7698, 8007, 9420, 10676, 12830, 13345, 15396, 16014, 19245, 21811, 25660, 26690, 32028, 38490, 40035, 43622, 53380, 65433, 76980, 80070, 87244, 109055, 130866, 160140, 201431, 218110, 261732, 327165, 402862, 436220, 604293, 654330, 805724, 1007155, 1208586, 1308660, 2014310, 2417172, 3021465, 3424327, 4028620, 6042930, 6848654, 10272981, 12085860, 13697308, 17121635, 20545962, 34243270, 41091924, 51364905, 68486540, 102729810, 205459620]

約数ペア:

[(1, 205459620), (2, 102729810), (3, 68486540), (4, 51364905), (5, 41091924), (6, 34243270), (10, 20545962), (12, 17121635), (15, 13697308), (17, 12085860), (20, 10272981), (30, 6848654), (34, 6042930), (51, 4028620), (60, 3424327), (68, 3021465), (85, 2417172), (102, 2014310), (157, 1308660), (170, 1208586), (204, 1007155), (255, 805724), (314, 654330), (340, 604293), (471, 436220), (510, 402862), (628, 327165), (785, 261732), (942, 218110), (1020, 201431), (1283, 160140), (1570, 130866), (1884, 109055), (2355, 87244), (2566, 80070), (2669, 76980), (3140, 65433), (3849, 53380), (4710, 43622), (5132, 40035), (5338, 38490), (6415, 32028), (7698, 26690), (8007, 25660), (9420, 21811), (10676, 19245), (12830, 16014), (13345, 15396)]