203439760

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28573}}^1$

素因数の和:28675

約数の個数: 40

約数和(自身を含む): 478328760

約数和(自身を除く): 274889000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 28573, 57146, 114292, 142865, 228584, 285730, 457168, 571460, 1142920, 2285840, 2542997, 5085994, 10171988, 12714985, 20343976, 25429970, 40687952, 50859940, 101719880, 203439760]

約数ペア:

[(1, 203439760), (2, 101719880), (4, 50859940), (5, 40687952), (8, 25429970), (10, 20343976), (16, 12714985), (20, 10171988), (40, 5085994), (80, 2542997), (89, 2285840), (178, 1142920), (356, 571460), (445, 457168), (712, 285730), (890, 228584), (1424, 142865), (1780, 114292), (3560, 57146), (7120, 28573)]