4439540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1669}}^1$

素因数の和:1704

約数の個数: 48

約数和(自身を含む): 11222400

約数和(自身を除く): 6782860

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 1669, 2660, 3338, 6676, 8345, 11683, 16690, 23366, 31711, 33380, 46732, 58415, 63422, 116830, 126844, 158555, 221977, 233660, 317110, 443954, 634220, 887908, 1109885, 2219770, 4439540]

約数ペア:

[(1, 4439540), (2, 2219770), (4, 1109885), (5, 887908), (7, 634220), (10, 443954), (14, 317110), (19, 233660), (20, 221977), (28, 158555), (35, 126844), (38, 116830), (70, 63422), (76, 58415), (95, 46732), (133, 33380), (140, 31711), (190, 23366), (266, 16690), (380, 11683), (532, 8345), (665, 6676), (1330, 3338), (1669, 2660)]