201286940

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1\times {\mathrm{397}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 429668064

約数和(自身を除く): 228381124

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 251, 397, 404, 502, 505, 794, 1004, 1010, 1255, 1588, 1985, 2020, 2510, 3970, 5020, 7940, 25351, 40097, 50702, 80194, 99647, 101404, 126755, 160388, 199294, 200485, 253510, 398588, 400970, 498235, 507020, 801940, 996470, 1992940, 10064347, 20128694, 40257388, 50321735, 100643470, 201286940]

約数ペア:

[(1, 201286940), (2, 100643470), (4, 50321735), (5, 40257388), (10, 20128694), (20, 10064347), (101, 1992940), (202, 996470), (251, 801940), (397, 507020), (404, 498235), (502, 400970), (505, 398588), (794, 253510), (1004, 200485), (1010, 199294), (1255, 160388), (1588, 126755), (1985, 101404), (2020, 99647), (2510, 80194), (3970, 50702), (5020, 40097), (7940, 25351)]