391640480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1$

素因数の和:499

約数の個数: 192

約数和(自身を含む): 1170505728

約数和(自身を除く): 778865248

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 83, 88, 110, 112, 140, 154, 160, 166, 176, 220, 224, 280, 308, 332, 352, 383, 385, 415, 440, 560, 581, 616, 664, 766, 770, 830, 880, 913, 1120, 1162, 1232, 1328, 1532, 1540, 1660, 1760, 1826, 1915, 2324, 2464, 2656, 2681, 2905, 3064, 3080, 3320, 3652, 3830, 4213, 4565, 4648, 5362, 5810, 6128, 6160, 6391, 6640, 7304, 7660, 8426, 9130, 9296, 10724, 11620, 12256, 12320, 12782, 13280, 13405, 14608, 15320, 16852, 18260, 18592, 21065, 21448, 23240, 25564, 26810, 29216, 29491, 30640, 31789, 31955, 33704, 36520, 42130, 42896, 46480, 51128, 53620, 58982, 61280, 63578, 63910, 67408, 73040, 84260, 85792, 92960, 102256, 107240, 117964, 127156, 127820, 134816, 146080, 147455, 158945, 168520, 204512, 214480, 222523, 235928, 254312, 255640, 294910, 317890, 337040, 349679, 428960, 445046, 471856, 508624, 511280, 589820, 635780, 674080, 699358, 890092, 943712, 1017248, 1022560, 1112615, 1179640, 1271560, 1398716, 1748395, 1780184, 2225230, 2359280, 2447753, 2543120, 2797432, 3496790, 3560368, 4450460, 4718560, 4895506, 5086240, 5594864, 6993580, 7120736, 8900920, 9791012, 11189728, 12238765, 13987160, 17801840, 19582024, 24477530, 27974320, 35603680, 39164048, 48955060, 55948640, 78328096, 97910120, 195820240, 391640480]

約数ペア:

[(1, 391640480), (2, 195820240), (4, 97910120), (5, 78328096), (7, 55948640), (8, 48955060), (10, 39164048), (11, 35603680), (14, 27974320), (16, 24477530), (20, 19582024), (22, 17801840), (28, 13987160), (32, 12238765), (35, 11189728), (40, 9791012), (44, 8900920), (55, 7120736), (56, 6993580), (70, 5594864), (77, 5086240), (80, 4895506), (83, 4718560), (88, 4450460), (110, 3560368), (112, 3496790), (140, 2797432), (154, 2543120), (160, 2447753), (166, 2359280), (176, 2225230), (220, 1780184), (224, 1748395), (280, 1398716), (308, 1271560), (332, 1179640), (352, 1112615), (383, 1022560), (385, 1017248), (415, 943712), (440, 890092), (560, 699358), (581, 674080), (616, 635780), (664, 589820), (766, 511280), (770, 508624), (830, 471856), (880, 445046), (913, 428960), (1120, 349679), (1162, 337040), (1232, 317890), (1328, 294910), (1532, 255640), (1540, 254312), (1660, 235928), (1760, 222523), (1826, 214480), (1915, 204512), (2324, 168520), (2464, 158945), (2656, 147455), (2681, 146080), (2905, 134816), (3064, 127820), (3080, 127156), (3320, 117964), (3652, 107240), (3830, 102256), (4213, 92960), (4565, 85792), (4648, 84260), (5362, 73040), (5810, 67408), (6128, 63910), (6160, 63578), (6391, 61280), (6640, 58982), (7304, 53620), (7660, 51128), (8426, 46480), (9130, 42896), (9296, 42130), (10724, 36520), (11620, 33704), (12256, 31955), (12320, 31789), (12782, 30640), (13280, 29491), (13405, 29216), (14608, 26810), (15320, 25564), (16852, 23240), (18260, 21448), (18592, 21065)]