84115850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:197

約数の個数: 144

約数和(自身を含む): 207799200

約数和(自身を除く): 123683350

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 25, 26, 35, 38, 49, 50, 65, 70, 91, 95, 98, 130, 133, 139, 175, 182, 190, 245, 247, 266, 278, 325, 350, 455, 475, 490, 494, 637, 650, 665, 695, 910, 931, 950, 973, 1225, 1235, 1274, 1330, 1390, 1729, 1807, 1862, 1946, 2275, 2450, 2470, 2641, 3185, 3325, 3458, 3475, 3614, 4550, 4655, 4865, 5282, 6175, 6370, 6650, 6811, 6950, 8645, 9035, 9310, 9730, 12103, 12350, 12649, 13205, 13622, 15925, 17290, 18070, 18487, 23275, 24206, 24325, 25298, 26410, 31850, 34055, 34333, 36974, 43225, 45175, 46550, 48650, 60515, 63245, 66025, 68110, 68666, 86450, 88543, 90350, 92435, 121030, 126490, 129409, 132050, 170275, 171665, 177086, 184870, 240331, 258818, 302575, 316225, 340550, 343330, 442715, 462175, 480662, 605150, 632450, 647045, 858325, 885430, 924350, 1201655, 1294090, 1682317, 1716650, 2213575, 2403310, 3235225, 3364634, 4427150, 6008275, 6470450, 8411585, 12016550, 16823170, 42057925, 84115850]

約数ペア:

[(1, 84115850), (2, 42057925), (5, 16823170), (7, 12016550), (10, 8411585), (13, 6470450), (14, 6008275), (19, 4427150), (25, 3364634), (26, 3235225), (35, 2403310), (38, 2213575), (49, 1716650), (50, 1682317), (65, 1294090), (70, 1201655), (91, 924350), (95, 885430), (98, 858325), (130, 647045), (133, 632450), (139, 605150), (175, 480662), (182, 462175), (190, 442715), (245, 343330), (247, 340550), (266, 316225), (278, 302575), (325, 258818), (350, 240331), (455, 184870), (475, 177086), (490, 171665), (494, 170275), (637, 132050), (650, 129409), (665, 126490), (695, 121030), (910, 92435), (931, 90350), (950, 88543), (973, 86450), (1225, 68666), (1235, 68110), (1274, 66025), (1330, 63245), (1390, 60515), (1729, 48650), (1807, 46550), (1862, 45175), (1946, 43225), (2275, 36974), (2450, 34333), (2470, 34055), (2641, 31850), (3185, 26410), (3325, 25298), (3458, 24325), (3475, 24206), (3614, 23275), (4550, 18487), (4655, 18070), (4865, 17290), (5282, 15925), (6175, 13622), (6370, 13205), (6650, 12649), (6811, 12350), (6950, 12103), (8645, 9730), (9035, 9310)]