155740990

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1\times {\mathrm{569}}^1$

素因数の和:948

約数の個数: 32

約数和(自身を含む): 284653440

約数和(自身を除く): 128912450

約数列:

[1, 2, 5, 10, 101, 202, 271, 505, 542, 569, 1010, 1138, 1355, 2710, 2845, 5690, 27371, 54742, 57469, 114938, 136855, 154199, 273710, 287345, 308398, 574690, 770995, 1541990, 15574099, 31148198, 77870495, 155740990]

約数ペア:

[(1, 155740990), (2, 77870495), (5, 31148198), (10, 15574099), (101, 1541990), (202, 770995), (271, 574690), (505, 308398), (542, 287345), (569, 273710), (1010, 154199), (1138, 136855), (1355, 114938), (2710, 57469), (2845, 54742), (5690, 27371)]