289148920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 718035840

約数和(自身を除く): 428886920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 71, 85, 106, 113, 136, 142, 170, 212, 226, 265, 284, 340, 355, 424, 452, 530, 565, 568, 680, 710, 901, 904, 1060, 1130, 1207, 1420, 1802, 1921, 2120, 2260, 2414, 2840, 3604, 3763, 3842, 4505, 4520, 4828, 5989, 6035, 7208, 7526, 7684, 8023, 9010, 9605, 9656, 11978, 12070, 15052, 15368, 16046, 18020, 18815, 19210, 23956, 24140, 29945, 30104, 32092, 36040, 37630, 38420, 40115, 47912, 48280, 59890, 63971, 64184, 75260, 76840, 80230, 101813, 119780, 127942, 136391, 150520, 160460, 203626, 239560, 255884, 272782, 319855, 320920, 407252, 425219, 509065, 511768, 545564, 639710, 681955, 814504, 850438, 1018130, 1091128, 1279420, 1363910, 1700876, 2036260, 2126095, 2558840, 2727820, 3401752, 4072520, 4252190, 5455640, 7228723, 8504380, 14457446, 17008760, 28914892, 36143615, 57829784, 72287230, 144574460, 289148920]

約数ペア:

[(1, 289148920), (2, 144574460), (4, 72287230), (5, 57829784), (8, 36143615), (10, 28914892), (17, 17008760), (20, 14457446), (34, 8504380), (40, 7228723), (53, 5455640), (68, 4252190), (71, 4072520), (85, 3401752), (106, 2727820), (113, 2558840), (136, 2126095), (142, 2036260), (170, 1700876), (212, 1363910), (226, 1279420), (265, 1091128), (284, 1018130), (340, 850438), (355, 814504), (424, 681955), (452, 639710), (530, 545564), (565, 511768), (568, 509065), (680, 425219), (710, 407252), (901, 320920), (904, 319855), (1060, 272782), (1130, 255884), (1207, 239560), (1420, 203626), (1802, 160460), (1921, 150520), (2120, 136391), (2260, 127942), (2414, 119780), (2840, 101813), (3604, 80230), (3763, 76840), (3842, 75260), (4505, 64184), (4520, 63971), (4828, 59890), (5989, 48280), (6035, 47912), (7208, 40115), (7526, 38420), (7684, 37630), (8023, 36040), (9010, 32092), (9605, 30104), (9656, 29945), (11978, 24140), (12070, 23956), (15052, 19210), (15368, 18815), (16046, 18020)]