207148940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{1783}}^1$

素因数の和:1986

約数の個数: 48

約数和(自身を含む): 449867712

約数和(自身を除く): 242718772

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 157, 185, 314, 370, 628, 740, 785, 1570, 1783, 3140, 3566, 5809, 7132, 8915, 11618, 17830, 23236, 29045, 35660, 58090, 65971, 116180, 131942, 263884, 279931, 329855, 559862, 659710, 1119724, 1319420, 1399655, 2799310, 5598620, 10357447, 20714894, 41429788, 51787235, 103574470, 207148940]

約数ペア:

[(1, 207148940), (2, 103574470), (4, 51787235), (5, 41429788), (10, 20714894), (20, 10357447), (37, 5598620), (74, 2799310), (148, 1399655), (157, 1319420), (185, 1119724), (314, 659710), (370, 559862), (628, 329855), (740, 279931), (785, 263884), (1570, 131942), (1783, 116180), (3140, 65971), (3566, 58090), (5809, 35660), (7132, 29045), (8915, 23236), (11618, 17830)]