281642200

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1050

約数の個数: 144

約数和(自身を含む): 788788800

約数和(自身を除く): 507146600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 29, 35, 40, 49, 50, 56, 58, 70, 98, 100, 116, 140, 145, 175, 196, 200, 203, 232, 245, 280, 290, 350, 392, 406, 490, 580, 700, 725, 812, 980, 991, 1015, 1160, 1225, 1400, 1421, 1450, 1624, 1960, 1982, 2030, 2450, 2842, 2900, 3964, 4060, 4900, 4955, 5075, 5684, 5800, 6937, 7105, 7928, 8120, 9800, 9910, 10150, 11368, 13874, 14210, 19820, 20300, 24775, 27748, 28420, 28739, 34685, 35525, 39640, 40600, 48559, 49550, 55496, 56840, 57478, 69370, 71050, 97118, 99100, 114956, 138740, 142100, 143695, 173425, 194236, 198200, 201173, 229912, 242795, 277480, 284200, 287390, 346850, 388472, 402346, 485590, 574780, 693700, 718475, 804692, 971180, 1005865, 1149560, 1213975, 1387400, 1408211, 1436950, 1609384, 1942360, 2011730, 2427950, 2816422, 2873900, 4023460, 4855900, 5029325, 5632844, 5747800, 7041055, 8046920, 9711800, 10058650, 11265688, 14082110, 20117300, 28164220, 35205275, 40234600, 56328440, 70410550, 140821100, 281642200]

約数ペア:

[(1, 281642200), (2, 140821100), (4, 70410550), (5, 56328440), (7, 40234600), (8, 35205275), (10, 28164220), (14, 20117300), (20, 14082110), (25, 11265688), (28, 10058650), (29, 9711800), (35, 8046920), (40, 7041055), (49, 5747800), (50, 5632844), (56, 5029325), (58, 4855900), (70, 4023460), (98, 2873900), (100, 2816422), (116, 2427950), (140, 2011730), (145, 1942360), (175, 1609384), (196, 1436950), (200, 1408211), (203, 1387400), (232, 1213975), (245, 1149560), (280, 1005865), (290, 971180), (350, 804692), (392, 718475), (406, 693700), (490, 574780), (580, 485590), (700, 402346), (725, 388472), (812, 346850), (980, 287390), (991, 284200), (1015, 277480), (1160, 242795), (1225, 229912), (1400, 201173), (1421, 198200), (1450, 194236), (1624, 173425), (1960, 143695), (1982, 142100), (2030, 138740), (2450, 114956), (2842, 99100), (2900, 97118), (3964, 71050), (4060, 69370), (4900, 57478), (4955, 56840), (5075, 55496), (5684, 49550), (5800, 48559), (6937, 40600), (7105, 39640), (7928, 35525), (8120, 34685), (9800, 28739), (9910, 28420), (10150, 27748), (11368, 24775), (13874, 20300), (14210, 19820)]