1219890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 3458304

約数和(自身を除く): 2238414

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 70, 74, 105, 111, 157, 185, 210, 222, 259, 314, 370, 471, 518, 555, 777, 785, 942, 1099, 1110, 1295, 1554, 1570, 2198, 2355, 2590, 3297, 3885, 4710, 5495, 5809, 6594, 7770, 10990, 11618, 16485, 17427, 29045, 32970, 34854, 40663, 58090, 81326, 87135, 121989, 174270, 203315, 243978, 406630, 609945, 1219890]

約数ペア:

[(1, 1219890), (2, 609945), (3, 406630), (5, 243978), (6, 203315), (7, 174270), (10, 121989), (14, 87135), (15, 81326), (21, 58090), (30, 40663), (35, 34854), (37, 32970), (42, 29045), (70, 17427), (74, 16485), (105, 11618), (111, 10990), (157, 7770), (185, 6594), (210, 5809), (222, 5495), (259, 4710), (314, 3885), (370, 3297), (471, 2590), (518, 2355), (555, 2198), (777, 1570), (785, 1554), (942, 1295), (1099, 1110)]