215930260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{997}}^1$

素因数の和:1050

約数の個数: 144

約数和(自身を含む): 602081424

約数和(自身を除く): 386151164

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 49, 52, 65, 68, 70, 85, 91, 98, 119, 130, 140, 170, 182, 196, 221, 238, 245, 260, 340, 364, 442, 455, 476, 490, 595, 637, 833, 884, 910, 980, 997, 1105, 1190, 1274, 1547, 1666, 1820, 1994, 2210, 2380, 2548, 3094, 3185, 3332, 3988, 4165, 4420, 4985, 6188, 6370, 6979, 7735, 8330, 9970, 10829, 12740, 12961, 13958, 15470, 16660, 16949, 19940, 21658, 25922, 27916, 30940, 33898, 34895, 43316, 48853, 51844, 54145, 64805, 67796, 69790, 84745, 90727, 97706, 108290, 118643, 129610, 139580, 169490, 181454, 195412, 216580, 220337, 237286, 244265, 259220, 338980, 362908, 440674, 453635, 474572, 488530, 593215, 635089, 830501, 881348, 907270, 977060, 1101685, 1186430, 1270178, 1542359, 1661002, 1814540, 2203370, 2372860, 2540356, 3084718, 3175445, 3322004, 4152505, 4406740, 6169436, 6350890, 7711795, 8305010, 10796513, 12701780, 15423590, 16610020, 21593026, 30847180, 43186052, 53982565, 107965130, 215930260]

約数ペア:

[(1, 215930260), (2, 107965130), (4, 53982565), (5, 43186052), (7, 30847180), (10, 21593026), (13, 16610020), (14, 15423590), (17, 12701780), (20, 10796513), (26, 8305010), (28, 7711795), (34, 6350890), (35, 6169436), (49, 4406740), (52, 4152505), (65, 3322004), (68, 3175445), (70, 3084718), (85, 2540356), (91, 2372860), (98, 2203370), (119, 1814540), (130, 1661002), (140, 1542359), (170, 1270178), (182, 1186430), (196, 1101685), (221, 977060), (238, 907270), (245, 881348), (260, 830501), (340, 635089), (364, 593215), (442, 488530), (455, 474572), (476, 453635), (490, 440674), (595, 362908), (637, 338980), (833, 259220), (884, 244265), (910, 237286), (980, 220337), (997, 216580), (1105, 195412), (1190, 181454), (1274, 169490), (1547, 139580), (1666, 129610), (1820, 118643), (1994, 108290), (2210, 97706), (2380, 90727), (2548, 84745), (3094, 69790), (3185, 67796), (3332, 64805), (3988, 54145), (4165, 51844), (4420, 48853), (4985, 43316), (6188, 34895), (6370, 33898), (6979, 30940), (7735, 27916), (8330, 25922), (9970, 21658), (10829, 19940), (12740, 16949), (12961, 16660), (13958, 15470)]