274242580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{11831}}^1$

素因数の和:11920

約数の個数: 48

約数和(自身を含む): 616210560

約数和(自身を除く): 341967980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1159, 1220, 2318, 4636, 5795, 11590, 11831, 23180, 23662, 47324, 59155, 118310, 224789, 236620, 449578, 721691, 899156, 1123945, 1443382, 2247890, 2886764, 3608455, 4495780, 7216910, 13712129, 14433820, 27424258, 54848516, 68560645, 137121290, 274242580]

約数ペア:

[(1, 274242580), (2, 137121290), (4, 68560645), (5, 54848516), (10, 27424258), (19, 14433820), (20, 13712129), (38, 7216910), (61, 4495780), (76, 3608455), (95, 2886764), (122, 2247890), (190, 1443382), (244, 1123945), (305, 899156), (380, 721691), (610, 449578), (1159, 236620), (1220, 224789), (2318, 118310), (4636, 59155), (5795, 47324), (11590, 23662), (11831, 23180)]