2747240

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 6232680

約数和(自身を除く): 3485440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 397, 692, 794, 865, 1384, 1588, 1730, 1985, 3176, 3460, 3970, 6920, 7940, 15880, 68681, 137362, 274724, 343405, 549448, 686810, 1373620, 2747240]

約数ペア:

[(1, 2747240), (2, 1373620), (4, 686810), (5, 549448), (8, 343405), (10, 274724), (20, 137362), (40, 68681), (173, 15880), (346, 7940), (397, 6920), (692, 3970), (794, 3460), (865, 3176), (1384, 1985), (1588, 1730)]