199981760

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{56813}}^1$

素因数の和:56841

約数の個数: 56

約数和(自身を含む): 519507216

約数和(自身を除く): 319525456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 56813, 113626, 227252, 284065, 454504, 568130, 624943, 909008, 1136260, 1249886, 1818016, 2272520, 2499772, 3124715, 3636032, 4545040, 4999544, 6249430, 9090080, 9999088, 12498860, 18180160, 19998176, 24997720, 39996352, 49995440, 99990880, 199981760]

約数ペア:

[(1, 199981760), (2, 99990880), (4, 49995440), (5, 39996352), (8, 24997720), (10, 19998176), (11, 18180160), (16, 12498860), (20, 9999088), (22, 9090080), (32, 6249430), (40, 4999544), (44, 4545040), (55, 3636032), (64, 3124715), (80, 2499772), (88, 2272520), (110, 1818016), (160, 1249886), (176, 1136260), (220, 909008), (320, 624943), (352, 568130), (440, 454504), (704, 284065), (880, 227252), (1760, 113626), (3520, 56813)]