138275840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:377

約数の個数: 88

約数和(自身を含む): 336035520

約数和(自身を除く): 197759680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 239, 256, 320, 452, 478, 512, 565, 640, 904, 956, 1024, 1130, 1195, 1280, 1808, 1912, 2260, 2390, 2560, 3616, 3824, 4520, 4780, 5120, 7232, 7648, 9040, 9560, 14464, 15296, 18080, 19120, 27007, 28928, 30592, 36160, 38240, 54014, 57856, 61184, 72320, 76480, 108028, 115712, 122368, 135035, 144640, 152960, 216056, 244736, 270070, 289280, 305920, 432112, 540140, 578560, 611840, 864224, 1080280, 1223680, 1728448, 2160560, 3456896, 4321120, 6913792, 8642240, 13827584, 17284480, 27655168, 34568960, 69137920, 138275840]

約数ペア:

[(1, 138275840), (2, 69137920), (4, 34568960), (5, 27655168), (8, 17284480), (10, 13827584), (16, 8642240), (20, 6913792), (32, 4321120), (40, 3456896), (64, 2160560), (80, 1728448), (113, 1223680), (128, 1080280), (160, 864224), (226, 611840), (239, 578560), (256, 540140), (320, 432112), (452, 305920), (478, 289280), (512, 270070), (565, 244736), (640, 216056), (904, 152960), (956, 144640), (1024, 135035), (1130, 122368), (1195, 115712), (1280, 108028), (1808, 76480), (1912, 72320), (2260, 61184), (2390, 57856), (2560, 54014), (3616, 38240), (3824, 36160), (4520, 30592), (4780, 28928), (5120, 27007), (7232, 19120), (7648, 18080), (9040, 15296), (9560, 14464)]