880020400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{761}}^1$

素因数の和:852

約数の個数: 180

約数和(自身を含む): 2504404440

約数和(自身を除く): 1624384040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 59, 70, 80, 98, 100, 112, 118, 140, 175, 196, 200, 236, 245, 280, 295, 350, 392, 400, 413, 472, 490, 560, 590, 700, 761, 784, 826, 944, 980, 1180, 1225, 1400, 1475, 1522, 1652, 1960, 2065, 2360, 2450, 2800, 2891, 2950, 3044, 3304, 3805, 3920, 4130, 4720, 4900, 5327, 5782, 5900, 6088, 6608, 7610, 8260, 9800, 10325, 10654, 11564, 11800, 12176, 14455, 15220, 16520, 19025, 19600, 20650, 21308, 23128, 23600, 26635, 28910, 30440, 33040, 37289, 38050, 41300, 42616, 44899, 46256, 53270, 57820, 60880, 72275, 74578, 76100, 82600, 85232, 89798, 106540, 115640, 133175, 144550, 149156, 152200, 165200, 179596, 186445, 213080, 224495, 231280, 266350, 289100, 298312, 304400, 314293, 359192, 372890, 426160, 448990, 532700, 578200, 596624, 628586, 718384, 745780, 897980, 932225, 1065400, 1122475, 1156400, 1257172, 1491560, 1571465, 1795960, 1864450, 2130800, 2200051, 2244950, 2514344, 2983120, 3142930, 3591920, 3728900, 4400102, 4489900, 5028688, 6285860, 7457800, 7857325, 8800204, 8979800, 11000255, 12571720, 14915600, 15714650, 17600408, 17959600, 22000510, 25143440, 31429300, 35200816, 44001020, 55001275, 62858600, 88002040, 110002550, 125717200, 176004080, 220005100, 440010200, 880020400]

約数ペア:

[(1, 880020400), (2, 440010200), (4, 220005100), (5, 176004080), (7, 125717200), (8, 110002550), (10, 88002040), (14, 62858600), (16, 55001275), (20, 44001020), (25, 35200816), (28, 31429300), (35, 25143440), (40, 22000510), (49, 17959600), (50, 17600408), (56, 15714650), (59, 14915600), (70, 12571720), (80, 11000255), (98, 8979800), (100, 8800204), (112, 7857325), (118, 7457800), (140, 6285860), (175, 5028688), (196, 4489900), (200, 4400102), (236, 3728900), (245, 3591920), (280, 3142930), (295, 2983120), (350, 2514344), (392, 2244950), (400, 2200051), (413, 2130800), (472, 1864450), (490, 1795960), (560, 1571465), (590, 1491560), (700, 1257172), (761, 1156400), (784, 1122475), (826, 1065400), (944, 932225), (980, 897980), (1180, 745780), (1225, 718384), (1400, 628586), (1475, 596624), (1522, 578200), (1652, 532700), (1960, 448990), (2065, 426160), (2360, 372890), (2450, 359192), (2800, 314293), (2891, 304400), (2950, 298312), (3044, 289100), (3304, 266350), (3805, 231280), (3920, 224495), (4130, 213080), (4720, 186445), (4900, 179596), (5327, 165200), (5782, 152200), (5900, 149156), (6088, 144550), (6608, 133175), (7610, 115640), (8260, 106540), (9800, 89798), (10325, 85232), (10654, 82600), (11564, 76100), (11800, 74578), (12176, 72275), (14455, 60880), (15220, 57820), (16520, 53270), (19025, 46256), (19600, 44899), (20650, 42616), (21308, 41300), (23128, 38050), (23600, 37289), (26635, 33040), (28910, 30440)]