188771840

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3881}}^1$

素因数の和:3923

約数の個数: 80

約数和(自身を含む): 476554320

約数和(自身を除く): 287782480

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, 1216, 1280, 1520, 2432, 2560, 3040, 3881, 4864, 6080, 7762, 9728, 12160, 15524, 19405, 24320, 31048, 38810, 48640, 62096, 73739, 77620, 124192, 147478, 155240, 248384, 294956, 310480, 368695, 496768, 589912, 620960, 737390, 993536, 1179824, 1241920, 1474780, 1987072, 2359648, 2483840, 2949560, 4719296, 4967680, 5899120, 9438592, 9935360, 11798240, 18877184, 23596480, 37754368, 47192960, 94385920, 188771840]

約数ペア:

[(1, 188771840), (2, 94385920), (4, 47192960), (5, 37754368), (8, 23596480), (10, 18877184), (16, 11798240), (19, 9935360), (20, 9438592), (32, 5899120), (38, 4967680), (40, 4719296), (64, 2949560), (76, 2483840), (80, 2359648), (95, 1987072), (128, 1474780), (152, 1241920), (160, 1179824), (190, 993536), (256, 737390), (304, 620960), (320, 589912), (380, 496768), (512, 368695), (608, 310480), (640, 294956), (760, 248384), (1216, 155240), (1280, 147478), (1520, 124192), (2432, 77620), (2560, 73739), (3040, 62096), (3881, 48640), (4864, 38810), (6080, 31048), (7762, 24320), (9728, 19405), (12160, 15524)]