198353920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2039}}^1$

素因数の和:2083

約数の個数: 88

約数和(自身を含む): 501105600

約数和(自身を除く): 302751680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1024, 1216, 1280, 1520, 2039, 2432, 2560, 3040, 4078, 4864, 5120, 6080, 8156, 9728, 10195, 12160, 16312, 19456, 20390, 24320, 32624, 38741, 40780, 48640, 65248, 77482, 81560, 97280, 130496, 154964, 163120, 193705, 260992, 309928, 326240, 387410, 521984, 619856, 652480, 774820, 1043968, 1239712, 1304960, 1549640, 2087936, 2479424, 2609920, 3099280, 4958848, 5219840, 6198560, 9917696, 10439680, 12397120, 19835392, 24794240, 39670784, 49588480, 99176960, 198353920]

約数ペア:

[(1, 198353920), (2, 99176960), (4, 49588480), (5, 39670784), (8, 24794240), (10, 19835392), (16, 12397120), (19, 10439680), (20, 9917696), (32, 6198560), (38, 5219840), (40, 4958848), (64, 3099280), (76, 2609920), (80, 2479424), (95, 2087936), (128, 1549640), (152, 1304960), (160, 1239712), (190, 1043968), (256, 774820), (304, 652480), (320, 619856), (380, 521984), (512, 387410), (608, 326240), (640, 309928), (760, 260992), (1024, 193705), (1216, 163120), (1280, 154964), (1520, 130496), (2039, 97280), (2432, 81560), (2560, 77482), (3040, 65248), (4078, 48640), (4864, 40780), (5120, 38741), (6080, 32624), (8156, 24320), (9728, 20390), (10195, 19456), (12160, 16312)]