42138460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{137}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 110355840

約数和(自身を除く): 68217380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 137, 140, 169, 182, 260, 274, 338, 364, 455, 548, 676, 685, 845, 910, 959, 1183, 1370, 1690, 1781, 1820, 1918, 2197, 2366, 2740, 3380, 3562, 3836, 4394, 4732, 4795, 5915, 7124, 8788, 8905, 9590, 10985, 11830, 12467, 15379, 17810, 19180, 21970, 23153, 23660, 24934, 30758, 35620, 43940, 46306, 49868, 61516, 62335, 76895, 92612, 115765, 124670, 153790, 162071, 231530, 249340, 300989, 307580, 324142, 463060, 601978, 648284, 810355, 1203956, 1504945, 1620710, 2106923, 3009890, 3241420, 4213846, 6019780, 8427692, 10534615, 21069230, 42138460]

約数ペア:

[(1, 42138460), (2, 21069230), (4, 10534615), (5, 8427692), (7, 6019780), (10, 4213846), (13, 3241420), (14, 3009890), (20, 2106923), (26, 1620710), (28, 1504945), (35, 1203956), (52, 810355), (65, 648284), (70, 601978), (91, 463060), (130, 324142), (137, 307580), (140, 300989), (169, 249340), (182, 231530), (260, 162071), (274, 153790), (338, 124670), (364, 115765), (455, 92612), (548, 76895), (676, 62335), (685, 61516), (845, 49868), (910, 46306), (959, 43940), (1183, 35620), (1370, 30758), (1690, 24934), (1781, 23660), (1820, 23153), (1918, 21970), (2197, 19180), (2366, 17810), (2740, 15379), (3380, 12467), (3562, 11830), (3836, 10985), (4394, 9590), (4732, 8905), (4795, 8788), (5915, 7124)]