251986800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:620

約数の個数: 240

約数和(自身を含む): 900879840

約数和(自身を除く): 648893040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 29, 30, 39, 40, 48, 50, 52, 58, 60, 65, 75, 78, 80, 87, 100, 104, 116, 120, 130, 145, 150, 156, 174, 195, 200, 208, 232, 240, 260, 290, 300, 312, 325, 348, 377, 390, 400, 435, 464, 520, 557, 580, 600, 624, 650, 696, 725, 754, 780, 870, 975, 1040, 1114, 1131, 1160, 1200, 1300, 1392, 1450, 1508, 1560, 1671, 1740, 1885, 1950, 2175, 2228, 2262, 2320, 2600, 2785, 2900, 3016, 3120, 3342, 3480, 3770, 3900, 4350, 4456, 4524, 5200, 5570, 5655, 5800, 6032, 6684, 6960, 7241, 7540, 7800, 8355, 8700, 8912, 9048, 9425, 11140, 11310, 11600, 13368, 13925, 14482, 15080, 15600, 16153, 16710, 17400, 18096, 18850, 21723, 22280, 22620, 26736, 27850, 28275, 28964, 30160, 32306, 33420, 34800, 36205, 37700, 41775, 43446, 44560, 45240, 48459, 55700, 56550, 57928, 64612, 66840, 72410, 75400, 80765, 83550, 86892, 90480, 96918, 108615, 111400, 113100, 115856, 129224, 133680, 144820, 150800, 161530, 167100, 173784, 181025, 193836, 209989, 217230, 222800, 226200, 242295, 258448, 289640, 323060, 334200, 347568, 362050, 387672, 403825, 419978, 434460, 452400, 484590, 543075, 579280, 629967, 646120, 668400, 724100, 775344, 807650, 839956, 868920, 969180, 1049945, 1086150, 1211475, 1259934, 1292240, 1448200, 1615300, 1679912, 1737840, 1938360, 2099890, 2172300, 2422950, 2519868, 2896400, 3149835, 3230600, 3359824, 3876720, 4199780, 4344600, 4845900, 5039736, 5249725, 6299670, 6461200, 8399560, 8689200, 9691800, 10079472, 10499450, 12599340, 15749175, 16799120, 19383600, 20998900, 25198680, 31498350, 41997800, 50397360, 62996700, 83995600, 125993400, 251986800]

約数ペア:

[(1, 251986800), (2, 125993400), (3, 83995600), (4, 62996700), (5, 50397360), (6, 41997800), (8, 31498350), (10, 25198680), (12, 20998900), (13, 19383600), (15, 16799120), (16, 15749175), (20, 12599340), (24, 10499450), (25, 10079472), (26, 9691800), (29, 8689200), (30, 8399560), (39, 6461200), (40, 6299670), (48, 5249725), (50, 5039736), (52, 4845900), (58, 4344600), (60, 4199780), (65, 3876720), (75, 3359824), (78, 3230600), (80, 3149835), (87, 2896400), (100, 2519868), (104, 2422950), (116, 2172300), (120, 2099890), (130, 1938360), (145, 1737840), (150, 1679912), (156, 1615300), (174, 1448200), (195, 1292240), (200, 1259934), (208, 1211475), (232, 1086150), (240, 1049945), (260, 969180), (290, 868920), (300, 839956), (312, 807650), (325, 775344), (348, 724100), (377, 668400), (390, 646120), (400, 629967), (435, 579280), (464, 543075), (520, 484590), (557, 452400), (580, 434460), (600, 419978), (624, 403825), (650, 387672), (696, 362050), (725, 347568), (754, 334200), (780, 323060), (870, 289640), (975, 258448), (1040, 242295), (1114, 226200), (1131, 222800), (1160, 217230), (1200, 209989), (1300, 193836), (1392, 181025), (1450, 173784), (1508, 167100), (1560, 161530), (1671, 150800), (1740, 144820), (1885, 133680), (1950, 129224), (2175, 115856), (2228, 113100), (2262, 111400), (2320, 108615), (2600, 96918), (2785, 90480), (2900, 86892), (3016, 83550), (3120, 80765), (3342, 75400), (3480, 72410), (3770, 66840), (3900, 64612), (4350, 57928), (4456, 56550), (4524, 55700), (5200, 48459), (5570, 45240), (5655, 44560), (5800, 43446), (6032, 41775), (6684, 37700), (6960, 36205), (7241, 34800), (7540, 33420), (7800, 32306), (8355, 30160), (8700, 28964), (8912, 28275), (9048, 27850), (9425, 26736), (11140, 22620), (11310, 22280), (11600, 21723), (13368, 18850), (13925, 18096), (14482, 17400), (15080, 16710), (15600, 16153)]