205480240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:315

約数の個数: 160

約数和(自身を含む): 575391744

約数和(自身を除く): 369911504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 47, 56, 70, 74, 80, 94, 112, 140, 148, 185, 188, 211, 235, 259, 280, 296, 329, 370, 376, 422, 470, 518, 560, 592, 658, 740, 752, 844, 940, 1036, 1055, 1295, 1316, 1477, 1480, 1645, 1688, 1739, 1880, 2072, 2110, 2590, 2632, 2954, 2960, 3290, 3376, 3478, 3760, 4144, 4220, 5180, 5264, 5908, 6580, 6956, 7385, 7807, 8440, 8695, 9917, 10360, 11816, 12173, 13160, 13912, 14770, 15614, 16880, 17390, 19834, 20720, 23632, 24346, 26320, 27824, 29540, 31228, 34780, 39035, 39668, 48692, 49585, 54649, 59080, 60865, 62456, 69419, 69560, 78070, 79336, 97384, 99170, 109298, 118160, 121730, 124912, 138838, 139120, 156140, 158672, 194768, 198340, 218596, 243460, 273245, 277676, 312280, 347095, 366929, 396680, 437192, 486920, 546490, 555352, 624560, 694190, 733858, 793360, 874384, 973840, 1092980, 1110704, 1388380, 1467716, 1834645, 2185960, 2568503, 2776760, 2935432, 3669290, 4371920, 5137006, 5553520, 5870864, 7338580, 10274012, 12842515, 14677160, 20548024, 25685030, 29354320, 41096048, 51370060, 102740120, 205480240]

約数ペア:

[(1, 205480240), (2, 102740120), (4, 51370060), (5, 41096048), (7, 29354320), (8, 25685030), (10, 20548024), (14, 14677160), (16, 12842515), (20, 10274012), (28, 7338580), (35, 5870864), (37, 5553520), (40, 5137006), (47, 4371920), (56, 3669290), (70, 2935432), (74, 2776760), (80, 2568503), (94, 2185960), (112, 1834645), (140, 1467716), (148, 1388380), (185, 1110704), (188, 1092980), (211, 973840), (235, 874384), (259, 793360), (280, 733858), (296, 694190), (329, 624560), (370, 555352), (376, 546490), (422, 486920), (470, 437192), (518, 396680), (560, 366929), (592, 347095), (658, 312280), (740, 277676), (752, 273245), (844, 243460), (940, 218596), (1036, 198340), (1055, 194768), (1295, 158672), (1316, 156140), (1477, 139120), (1480, 138838), (1645, 124912), (1688, 121730), (1739, 118160), (1880, 109298), (2072, 99170), (2110, 97384), (2590, 79336), (2632, 78070), (2954, 69560), (2960, 69419), (3290, 62456), (3376, 60865), (3478, 59080), (3760, 54649), (4144, 49585), (4220, 48692), (5180, 39668), (5264, 39035), (5908, 34780), (6580, 31228), (6956, 29540), (7385, 27824), (7807, 26320), (8440, 24346), (8695, 23632), (9917, 20720), (10360, 19834), (11816, 17390), (12173, 16880), (13160, 15614), (13912, 14770)]