200979560

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{593}}^1$

素因数の和:870

約数の個数: 64

約数和(自身を含む): 467240400

約数和(自身を除く): 266260840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 229, 296, 370, 458, 593, 740, 916, 1145, 1186, 1480, 1832, 2290, 2372, 2965, 4580, 4744, 5930, 8473, 9160, 11860, 16946, 21941, 23720, 33892, 42365, 43882, 67784, 84730, 87764, 109705, 135797, 169460, 175528, 219410, 271594, 338920, 438820, 543188, 678985, 877640, 1086376, 1357970, 2715940, 5024489, 5431880, 10048978, 20097956, 25122445, 40195912, 50244890, 100489780, 200979560]

約数ペア:

[(1, 200979560), (2, 100489780), (4, 50244890), (5, 40195912), (8, 25122445), (10, 20097956), (20, 10048978), (37, 5431880), (40, 5024489), (74, 2715940), (148, 1357970), (185, 1086376), (229, 877640), (296, 678985), (370, 543188), (458, 438820), (593, 338920), (740, 271594), (916, 219410), (1145, 175528), (1186, 169460), (1480, 135797), (1832, 109705), (2290, 87764), (2372, 84730), (2965, 67784), (4580, 43882), (4744, 42365), (5930, 33892), (8473, 23720), (9160, 21941), (11860, 16946)]