428433915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:581

約数の個数: 128

約数和(自身を含む): 919296000

約数和(自身を除く): 490862085

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 37, 39, 51, 65, 85, 91, 105, 111, 119, 185, 195, 221, 255, 259, 273, 357, 455, 481, 499, 555, 595, 629, 663, 777, 1105, 1295, 1365, 1443, 1497, 1547, 1785, 1887, 2405, 2495, 3145, 3315, 3367, 3493, 3885, 4403, 4641, 6487, 7215, 7485, 7735, 8177, 8483, 9435, 10101, 10479, 13209, 16835, 17465, 18463, 19461, 22015, 23205, 24531, 25449, 32435, 40885, 42415, 45409, 50505, 52395, 55389, 57239, 59381, 66045, 92315, 97305, 110279, 122655, 127245, 129241, 136227, 171717, 178143, 227045, 240019, 276945, 286195, 296905, 313871, 330837, 387723, 551395, 646205, 681135, 720057, 771953, 858585, 890715, 941613, 1200095, 1569355, 1654185, 1680133, 1938615, 2197097, 2315859, 3600285, 3859765, 4080323, 4708065, 5040399, 6591291, 8400665, 10985485, 11579295, 12240969, 20401615, 25201995, 28562261, 32956455, 61204845, 85686783, 142811305, 428433915]

約数ペア:

[(1, 428433915), (3, 142811305), (5, 85686783), (7, 61204845), (13, 32956455), (15, 28562261), (17, 25201995), (21, 20401615), (35, 12240969), (37, 11579295), (39, 10985485), (51, 8400665), (65, 6591291), (85, 5040399), (91, 4708065), (105, 4080323), (111, 3859765), (119, 3600285), (185, 2315859), (195, 2197097), (221, 1938615), (255, 1680133), (259, 1654185), (273, 1569355), (357, 1200095), (455, 941613), (481, 890715), (499, 858585), (555, 771953), (595, 720057), (629, 681135), (663, 646205), (777, 551395), (1105, 387723), (1295, 330837), (1365, 313871), (1443, 296905), (1497, 286195), (1547, 276945), (1785, 240019), (1887, 227045), (2405, 178143), (2495, 171717), (3145, 136227), (3315, 129241), (3367, 127245), (3493, 122655), (3885, 110279), (4403, 97305), (4641, 92315), (6487, 66045), (7215, 59381), (7485, 57239), (7735, 55389), (8177, 52395), (8483, 50505), (9435, 45409), (10101, 42415), (10479, 40885), (13209, 32435), (16835, 25449), (17465, 24531), (18463, 23205), (19461, 22015)]