25263420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:700

約数の個数: 144

約数和(自身を含む): 88750368

約数和(自身を除く): 63486948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 661, 735, 780, 910, 980, 1092, 1274, 1322, 1365, 1470, 1820, 1911, 1983, 2548, 2644, 2730, 2940, 3185, 3305, 3822, 3966, 4627, 5460, 6370, 6610, 7644, 7932, 8593, 9254, 9555, 9915, 12740, 13220, 13881, 17186, 18508, 19110, 19830, 23135, 25779, 27762, 32389, 34372, 38220, 39660, 42965, 46270, 51558, 55524, 60151, 64778, 69405, 85930, 92540, 97167, 103116, 120302, 128895, 129556, 138810, 161945, 171860, 180453, 194334, 240604, 257790, 277620, 300755, 323890, 360906, 388668, 421057, 485835, 515580, 601510, 647780, 721812, 842114, 902265, 971670, 1203020, 1263171, 1684228, 1804530, 1943340, 2105285, 2526342, 3609060, 4210570, 5052684, 6315855, 8421140, 12631710, 25263420]

約数ペア:

[(1, 25263420), (2, 12631710), (3, 8421140), (4, 6315855), (5, 5052684), (6, 4210570), (7, 3609060), (10, 2526342), (12, 2105285), (13, 1943340), (14, 1804530), (15, 1684228), (20, 1263171), (21, 1203020), (26, 971670), (28, 902265), (30, 842114), (35, 721812), (39, 647780), (42, 601510), (49, 515580), (52, 485835), (60, 421057), (65, 388668), (70, 360906), (78, 323890), (84, 300755), (91, 277620), (98, 257790), (105, 240604), (130, 194334), (140, 180453), (147, 171860), (156, 161945), (182, 138810), (195, 129556), (196, 128895), (210, 120302), (245, 103116), (260, 97167), (273, 92540), (294, 85930), (364, 69405), (390, 64778), (420, 60151), (455, 55524), (490, 51558), (546, 46270), (588, 42965), (637, 39660), (661, 38220), (735, 34372), (780, 32389), (910, 27762), (980, 25779), (1092, 23135), (1274, 19830), (1322, 19110), (1365, 18508), (1470, 17186), (1820, 13881), (1911, 13220), (1983, 12740), (2548, 9915), (2644, 9555), (2730, 9254), (2940, 8593), (3185, 7932), (3305, 7644), (3822, 6610), (3966, 6370), (4627, 5460)]