142749730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{20021}}^1$

素因数の和:20082

約数の個数: 32

約数和(自身を含む): 276784128

約数和(自身を除く): 134034398

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 713, 1426, 3565, 7130, 20021, 40042, 100105, 200210, 460483, 620651, 920966, 1241302, 2302415, 3103255, 4604830, 6206510, 14274973, 28549946, 71374865, 142749730]

約数ペア:

[(1, 142749730), (2, 71374865), (5, 28549946), (10, 14274973), (23, 6206510), (31, 4604830), (46, 3103255), (62, 2302415), (115, 1241302), (155, 920966), (230, 620651), (310, 460483), (713, 200210), (1426, 100105), (3565, 40042), (7130, 20021)]