89820670

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{643}}^1$

素因数の和:940

約数の個数: 32

約数和(自身を含む): 165301920

約数和(自身を除く): 75481250

約数列:

[1, 2, 5, 10, 61, 122, 229, 305, 458, 610, 643, 1145, 1286, 2290, 3215, 6430, 13969, 27938, 39223, 69845, 78446, 139690, 147247, 196115, 294494, 392230, 736235, 1472470, 8982067, 17964134, 44910335, 89820670]

約数ペア:

[(1, 89820670), (2, 44910335), (5, 17964134), (10, 8982067), (61, 1472470), (122, 736235), (229, 392230), (305, 294494), (458, 196115), (610, 147247), (643, 139690), (1145, 78446), (1286, 69845), (2290, 39223), (3215, 27938), (6430, 13969)]