207939850

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{863}}^1$

素因数の和:1015

約数の個数: 48

約数和(自身を含む): 398545920

約数和(自身を除く): 190606070

約数列:

[1, 2, 5, 10, 25, 50, 61, 79, 122, 158, 305, 395, 610, 790, 863, 1525, 1726, 1975, 3050, 3950, 4315, 4819, 8630, 9638, 21575, 24095, 43150, 48190, 52643, 68177, 105286, 120475, 136354, 240950, 263215, 340885, 526430, 681770, 1316075, 1704425, 2632150, 3408850, 4158797, 8317594, 20793985, 41587970, 103969925, 207939850]

約数ペア:

[(1, 207939850), (2, 103969925), (5, 41587970), (10, 20793985), (25, 8317594), (50, 4158797), (61, 3408850), (79, 2632150), (122, 1704425), (158, 1316075), (305, 681770), (395, 526430), (610, 340885), (790, 263215), (863, 240950), (1525, 136354), (1726, 120475), (1975, 105286), (3050, 68177), (3950, 52643), (4315, 48190), (4819, 43150), (8630, 24095), (9638, 21575)]