252798990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1\times {\mathrm{673}}^1$

素因数の和:1361

約数の個数: 64

約数和(自身を含む): 640569600

約数和(自身を除く): 387770610

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 659, 673, 1318, 1346, 1977, 2019, 3295, 3365, 3954, 4038, 6590, 6730, 9885, 10095, 12521, 12787, 19770, 20190, 25042, 25574, 37563, 38361, 62605, 63935, 75126, 76722, 125210, 127870, 187815, 191805, 375630, 383610, 443507, 887014, 1330521, 2217535, 2661042, 4435070, 6652605, 8426633, 13305210, 16853266, 25279899, 42133165, 50559798, 84266330, 126399495, 252798990]

約数ペア:

[(1, 252798990), (2, 126399495), (3, 84266330), (5, 50559798), (6, 42133165), (10, 25279899), (15, 16853266), (19, 13305210), (30, 8426633), (38, 6652605), (57, 4435070), (95, 2661042), (114, 2217535), (190, 1330521), (285, 887014), (570, 443507), (659, 383610), (673, 375630), (1318, 191805), (1346, 187815), (1977, 127870), (2019, 125210), (3295, 76722), (3365, 75126), (3954, 63935), (4038, 62605), (6590, 38361), (6730, 37563), (9885, 25574), (10095, 25042), (12521, 20190), (12787, 19770)]