193968640

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4457}}^1$

素因数の和:4497

約数の個数: 80

約数和(自身を含む): 492537672

約数和(自身を除く): 298569032

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 2176, 2560, 2720, 4352, 4457, 5440, 8704, 8914, 10880, 17828, 21760, 22285, 35656, 43520, 44570, 71312, 75769, 89140, 142624, 151538, 178280, 285248, 303076, 356560, 378845, 570496, 606152, 713120, 757690, 1140992, 1212304, 1426240, 1515380, 2281984, 2424608, 2852480, 3030760, 4849216, 5704960, 6061520, 9698432, 11409920, 12123040, 19396864, 24246080, 38793728, 48492160, 96984320, 193968640]

約数ペア:

[(1, 193968640), (2, 96984320), (4, 48492160), (5, 38793728), (8, 24246080), (10, 19396864), (16, 12123040), (17, 11409920), (20, 9698432), (32, 6061520), (34, 5704960), (40, 4849216), (64, 3030760), (68, 2852480), (80, 2424608), (85, 2281984), (128, 1515380), (136, 1426240), (160, 1212304), (170, 1140992), (256, 757690), (272, 713120), (320, 606152), (340, 570496), (512, 378845), (544, 356560), (640, 303076), (680, 285248), (1088, 178280), (1280, 151538), (1360, 142624), (2176, 89140), (2560, 75769), (2720, 71312), (4352, 44570), (4457, 43520), (5440, 35656), (8704, 22285), (8914, 21760), (10880, 17828)]