171257450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:341

約数の個数: 144

約数和(自身を含む): 421535520

約数和(自身を除く): 250278070

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 25, 26, 35, 38, 49, 50, 65, 70, 91, 95, 98, 130, 133, 175, 182, 190, 245, 247, 266, 283, 325, 350, 455, 475, 490, 494, 566, 637, 650, 665, 910, 931, 950, 1225, 1235, 1274, 1330, 1415, 1729, 1862, 1981, 2275, 2450, 2470, 2830, 3185, 3325, 3458, 3679, 3962, 4550, 4655, 5377, 6175, 6370, 6650, 7075, 7358, 8645, 9310, 9905, 10754, 12103, 12350, 13867, 14150, 15925, 17290, 18395, 19810, 23275, 24206, 25753, 26885, 27734, 31850, 36790, 37639, 43225, 46550, 49525, 51506, 53770, 60515, 69335, 69901, 75278, 86450, 91975, 99050, 121030, 128765, 134425, 138670, 139802, 180271, 183950, 188195, 257530, 263473, 268850, 302575, 346675, 349505, 360542, 376390, 489307, 526946, 605150, 643825, 693350, 699010, 901355, 940975, 978614, 1287650, 1317365, 1747525, 1802710, 1881950, 2446535, 2634730, 3425149, 3495050, 4506775, 4893070, 6586825, 6850298, 9013550, 12232675, 13173650, 17125745, 24465350, 34251490, 85628725, 171257450]

約数ペア:

[(1, 171257450), (2, 85628725), (5, 34251490), (7, 24465350), (10, 17125745), (13, 13173650), (14, 12232675), (19, 9013550), (25, 6850298), (26, 6586825), (35, 4893070), (38, 4506775), (49, 3495050), (50, 3425149), (65, 2634730), (70, 2446535), (91, 1881950), (95, 1802710), (98, 1747525), (130, 1317365), (133, 1287650), (175, 978614), (182, 940975), (190, 901355), (245, 699010), (247, 693350), (266, 643825), (283, 605150), (325, 526946), (350, 489307), (455, 376390), (475, 360542), (490, 349505), (494, 346675), (566, 302575), (637, 268850), (650, 263473), (665, 257530), (910, 188195), (931, 183950), (950, 180271), (1225, 139802), (1235, 138670), (1274, 134425), (1330, 128765), (1415, 121030), (1729, 99050), (1862, 91975), (1981, 86450), (2275, 75278), (2450, 69901), (2470, 69335), (2830, 60515), (3185, 53770), (3325, 51506), (3458, 49525), (3679, 46550), (3962, 43225), (4550, 37639), (4655, 36790), (5377, 31850), (6175, 27734), (6370, 26885), (6650, 25753), (7075, 24206), (7358, 23275), (8645, 19810), (9310, 18395), (9905, 17290), (10754, 15925), (12103, 14150), (12350, 13867)]