51541490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:328

約数の個数: 128

約数和(自身を含む): 131604480

約数和(自身を除く): 80062990

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 19, 22, 26, 35, 38, 55, 65, 70, 77, 91, 95, 110, 130, 133, 143, 154, 182, 190, 209, 247, 266, 271, 286, 385, 418, 455, 494, 542, 665, 715, 770, 910, 1001, 1045, 1235, 1330, 1355, 1430, 1463, 1729, 1897, 2002, 2090, 2470, 2710, 2717, 2926, 2981, 3458, 3523, 3794, 5005, 5149, 5434, 5962, 7046, 7315, 8645, 9485, 10010, 10298, 13585, 14630, 14905, 17290, 17615, 18970, 19019, 20867, 24661, 25745, 27170, 29810, 35230, 36043, 38038, 38753, 41734, 49322, 51490, 56639, 66937, 72086, 77506, 95095, 104335, 113278, 123305, 133874, 180215, 190190, 193765, 208670, 246610, 271271, 283195, 334685, 360430, 387530, 396473, 468559, 542542, 566390, 669370, 736307, 792946, 937118, 1356355, 1472614, 1982365, 2342795, 2712710, 3681535, 3964730, 4685590, 5154149, 7363070, 10308298, 25770745, 51541490]

約数ペア:

[(1, 51541490), (2, 25770745), (5, 10308298), (7, 7363070), (10, 5154149), (11, 4685590), (13, 3964730), (14, 3681535), (19, 2712710), (22, 2342795), (26, 1982365), (35, 1472614), (38, 1356355), (55, 937118), (65, 792946), (70, 736307), (77, 669370), (91, 566390), (95, 542542), (110, 468559), (130, 396473), (133, 387530), (143, 360430), (154, 334685), (182, 283195), (190, 271271), (209, 246610), (247, 208670), (266, 193765), (271, 190190), (286, 180215), (385, 133874), (418, 123305), (455, 113278), (494, 104335), (542, 95095), (665, 77506), (715, 72086), (770, 66937), (910, 56639), (1001, 51490), (1045, 49322), (1235, 41734), (1330, 38753), (1355, 38038), (1430, 36043), (1463, 35230), (1729, 29810), (1897, 27170), (2002, 25745), (2090, 24661), (2470, 20867), (2710, 19019), (2717, 18970), (2926, 17615), (2981, 17290), (3458, 14905), (3523, 14630), (3794, 13585), (5005, 10298), (5149, 10010), (5434, 9485), (5962, 8645), (7046, 7315)]