49636980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:338

約数の個数: 144

約数和(自身を含む): 160589520

約数和(自身を除く): 110952540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 37, 45, 58, 60, 74, 87, 90, 111, 116, 145, 148, 174, 180, 185, 222, 257, 261, 290, 333, 348, 370, 435, 444, 514, 522, 555, 580, 666, 740, 771, 870, 1028, 1044, 1073, 1110, 1285, 1305, 1332, 1542, 1665, 1740, 2146, 2220, 2313, 2570, 2610, 3084, 3219, 3330, 3855, 4292, 4626, 5140, 5220, 5365, 6438, 6660, 7453, 7710, 9252, 9509, 9657, 10730, 11565, 12876, 14906, 15420, 16095, 19018, 19314, 21460, 22359, 23130, 28527, 29812, 32190, 37265, 38036, 38628, 44718, 46260, 47545, 48285, 57054, 64380, 67077, 74530, 85581, 89436, 95090, 96570, 111795, 114108, 134154, 142635, 149060, 171162, 190180, 193140, 223590, 268308, 275761, 285270, 335385, 342324, 427905, 447180, 551522, 570540, 670770, 827283, 855810, 1103044, 1341540, 1378805, 1654566, 1711620, 2481849, 2757610, 3309132, 4136415, 4963698, 5515220, 8272830, 9927396, 12409245, 16545660, 24818490, 49636980]

約数ペア:

[(1, 49636980), (2, 24818490), (3, 16545660), (4, 12409245), (5, 9927396), (6, 8272830), (9, 5515220), (10, 4963698), (12, 4136415), (15, 3309132), (18, 2757610), (20, 2481849), (29, 1711620), (30, 1654566), (36, 1378805), (37, 1341540), (45, 1103044), (58, 855810), (60, 827283), (74, 670770), (87, 570540), (90, 551522), (111, 447180), (116, 427905), (145, 342324), (148, 335385), (174, 285270), (180, 275761), (185, 268308), (222, 223590), (257, 193140), (261, 190180), (290, 171162), (333, 149060), (348, 142635), (370, 134154), (435, 114108), (444, 111795), (514, 96570), (522, 95090), (555, 89436), (580, 85581), (666, 74530), (740, 67077), (771, 64380), (870, 57054), (1028, 48285), (1044, 47545), (1073, 46260), (1110, 44718), (1285, 38628), (1305, 38036), (1332, 37265), (1542, 32190), (1665, 29812), (1740, 28527), (2146, 23130), (2220, 22359), (2313, 21460), (2570, 19314), (2610, 19018), (3084, 16095), (3219, 15420), (3330, 14906), (3855, 12876), (4292, 11565), (4626, 10730), (5140, 9657), (5220, 9509), (5365, 9252), (6438, 7710), (6660, 7453)]