204429440

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:242

約数の個数: 128

約数和(自身を含む): 512794800

約数和(自身を除く): 308365360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 89, 97, 128, 148, 160, 178, 185, 194, 296, 320, 356, 370, 388, 445, 485, 592, 640, 712, 740, 776, 890, 970, 1184, 1424, 1480, 1552, 1780, 1940, 2368, 2848, 2960, 3104, 3293, 3560, 3589, 3880, 4736, 5696, 5920, 6208, 6586, 7120, 7178, 7760, 8633, 11392, 11840, 12416, 13172, 14240, 14356, 15520, 16465, 17266, 17945, 23680, 26344, 28480, 28712, 31040, 32930, 34532, 35890, 43165, 52688, 56960, 57424, 62080, 65860, 69064, 71780, 86330, 105376, 114848, 131720, 138128, 143560, 172660, 210752, 229696, 263440, 276256, 287120, 319421, 345320, 421504, 459392, 526880, 552512, 574240, 638842, 690640, 1053760, 1105024, 1148480, 1277684, 1381280, 1597105, 2107520, 2296960, 2555368, 2762560, 3194210, 5110736, 5525120, 6388420, 10221472, 12776840, 20442944, 25553680, 40885888, 51107360, 102214720, 204429440]

約数ペア:

[(1, 204429440), (2, 102214720), (4, 51107360), (5, 40885888), (8, 25553680), (10, 20442944), (16, 12776840), (20, 10221472), (32, 6388420), (37, 5525120), (40, 5110736), (64, 3194210), (74, 2762560), (80, 2555368), (89, 2296960), (97, 2107520), (128, 1597105), (148, 1381280), (160, 1277684), (178, 1148480), (185, 1105024), (194, 1053760), (296, 690640), (320, 638842), (356, 574240), (370, 552512), (388, 526880), (445, 459392), (485, 421504), (592, 345320), (640, 319421), (712, 287120), (740, 276256), (776, 263440), (890, 229696), (970, 210752), (1184, 172660), (1424, 143560), (1480, 138128), (1552, 131720), (1780, 114848), (1940, 105376), (2368, 86330), (2848, 71780), (2960, 69064), (3104, 65860), (3293, 62080), (3560, 57424), (3589, 56960), (3880, 52688), (4736, 43165), (5696, 35890), (5920, 34532), (6208, 32930), (6586, 31040), (7120, 28712), (7178, 28480), (7760, 26344), (8633, 23680), (11392, 17945), (11840, 17266), (12416, 16465), (13172, 15520), (14240, 14356)]