378447560

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{178513}}^1$

素因数の和:178577

約数の個数: 32

約数和(自身を含む): 867578040

約数和(自身を除く): 489130480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 178513, 357026, 714052, 892565, 1428104, 1785130, 3570260, 7140520, 9461189, 18922378, 37844756, 47305945, 75689512, 94611890, 189223780, 378447560]

約数ペア:

[(1, 378447560), (2, 189223780), (4, 94611890), (5, 75689512), (8, 47305945), (10, 37844756), (20, 18922378), (40, 9461189), (53, 7140520), (106, 3570260), (212, 1785130), (265, 1428104), (424, 892565), (530, 714052), (1060, 357026), (2120, 178513)]