205998520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3329}}^1$

素因数の和:3377

約数の個数: 128

約数和(自身を含む): 604195200

約数和(自身を除く): 398196680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 476, 520, 595, 680, 728, 884, 910, 952, 1105, 1190, 1547, 1768, 1820, 2210, 2380, 3094, 3329, 3640, 4420, 4760, 6188, 6658, 7735, 8840, 12376, 13316, 15470, 16645, 23303, 26632, 30940, 33290, 43277, 46606, 56593, 61880, 66580, 86554, 93212, 113186, 116515, 133160, 173108, 186424, 216385, 226372, 233030, 282965, 302939, 346216, 396151, 432770, 452744, 466060, 565930, 605878, 735709, 792302, 865540, 932120, 1131860, 1211756, 1471418, 1514695, 1584604, 1731080, 1980755, 2263720, 2423512, 2942836, 3029390, 3169208, 3678545, 3961510, 5149963, 5885672, 6058780, 7357090, 7923020, 10299926, 12117560, 14714180, 15846040, 20599852, 25749815, 29428360, 41199704, 51499630, 102999260, 205998520]

約数ペア:

[(1, 205998520), (2, 102999260), (4, 51499630), (5, 41199704), (7, 29428360), (8, 25749815), (10, 20599852), (13, 15846040), (14, 14714180), (17, 12117560), (20, 10299926), (26, 7923020), (28, 7357090), (34, 6058780), (35, 5885672), (40, 5149963), (52, 3961510), (56, 3678545), (65, 3169208), (68, 3029390), (70, 2942836), (85, 2423512), (91, 2263720), (104, 1980755), (119, 1731080), (130, 1584604), (136, 1514695), (140, 1471418), (170, 1211756), (182, 1131860), (221, 932120), (238, 865540), (260, 792302), (280, 735709), (340, 605878), (364, 565930), (442, 466060), (455, 452744), (476, 432770), (520, 396151), (595, 346216), (680, 302939), (728, 282965), (884, 233030), (910, 226372), (952, 216385), (1105, 186424), (1190, 173108), (1547, 133160), (1768, 116515), (1820, 113186), (2210, 93212), (2380, 86554), (3094, 66580), (3329, 61880), (3640, 56593), (4420, 46606), (4760, 43277), (6188, 33290), (6658, 30940), (7735, 26632), (8840, 23303), (12376, 16645), (13316, 15470)]