204428140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63487}}^1$

素因数の和:63526

約数の個数: 48

約数和(自身を含む): 511967232

約数和(自身を除く): 307539092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 63487, 126974, 253948, 317435, 444409, 634870, 888818, 1269740, 1460201, 1777636, 2222045, 2920402, 4444090, 5840804, 7301005, 8888180, 10221407, 14602010, 20442814, 29204020, 40885628, 51107035, 102214070, 204428140]

約数ペア:

[(1, 204428140), (2, 102214070), (4, 51107035), (5, 40885628), (7, 29204020), (10, 20442814), (14, 14602010), (20, 10221407), (23, 8888180), (28, 7301005), (35, 5840804), (46, 4444090), (70, 2920402), (92, 2222045), (115, 1777636), (140, 1460201), (161, 1269740), (230, 888818), (322, 634870), (460, 444409), (644, 317435), (805, 253948), (1610, 126974), (3220, 63487)]