205468960

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:458

約数の個数: 96

約数和(自身を含む): 502951680

約数和(自身を除く): 297482720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 89, 94, 160, 178, 188, 235, 307, 356, 376, 445, 470, 614, 712, 752, 890, 940, 1228, 1424, 1504, 1535, 1780, 1880, 2456, 2848, 3070, 3560, 3760, 4183, 4912, 6140, 7120, 7520, 8366, 9824, 12280, 14240, 14429, 16732, 20915, 24560, 27323, 28858, 33464, 41830, 49120, 54646, 57716, 66928, 72145, 83660, 109292, 115432, 133856, 136615, 144290, 167320, 218584, 230864, 273230, 288580, 334640, 437168, 461728, 546460, 577160, 669280, 874336, 1092920, 1154320, 1284181, 2185840, 2308640, 2568362, 4371680, 5136724, 6420905, 10273448, 12841810, 20546896, 25683620, 41093792, 51367240, 102734480, 205468960]

約数ペア:

[(1, 205468960), (2, 102734480), (4, 51367240), (5, 41093792), (8, 25683620), (10, 20546896), (16, 12841810), (20, 10273448), (32, 6420905), (40, 5136724), (47, 4371680), (80, 2568362), (89, 2308640), (94, 2185840), (160, 1284181), (178, 1154320), (188, 1092920), (235, 874336), (307, 669280), (356, 577160), (376, 546460), (445, 461728), (470, 437168), (614, 334640), (712, 288580), (752, 273230), (890, 230864), (940, 218584), (1228, 167320), (1424, 144290), (1504, 136615), (1535, 133856), (1780, 115432), (1880, 109292), (2456, 83660), (2848, 72145), (3070, 66928), (3560, 57716), (3760, 54646), (4183, 49120), (4912, 41830), (6140, 33464), (7120, 28858), (7520, 27323), (8366, 24560), (9824, 20915), (12280, 16732), (14240, 14429)]