66878900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{373}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 159718944

約数和(自身を除く): 92840044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 163, 220, 275, 326, 373, 550, 652, 746, 815, 1100, 1492, 1630, 1793, 1865, 3260, 3586, 3730, 4075, 4103, 7172, 7460, 8150, 8206, 8965, 9325, 16300, 16412, 17930, 18650, 20515, 35860, 37300, 41030, 44825, 60799, 82060, 89650, 102575, 121598, 179300, 205150, 243196, 303995, 410300, 607990, 668789, 1215980, 1337578, 1519975, 2675156, 3039950, 3343945, 6079900, 6687890, 13375780, 16719725, 33439450, 66878900]

約数ペア:

[(1, 66878900), (2, 33439450), (4, 16719725), (5, 13375780), (10, 6687890), (11, 6079900), (20, 3343945), (22, 3039950), (25, 2675156), (44, 1519975), (50, 1337578), (55, 1215980), (100, 668789), (110, 607990), (163, 410300), (220, 303995), (275, 243196), (326, 205150), (373, 179300), (550, 121598), (652, 102575), (746, 89650), (815, 82060), (1100, 60799), (1492, 44825), (1630, 41030), (1793, 37300), (1865, 35860), (3260, 20515), (3586, 18650), (3730, 17930), (4075, 16412), (4103, 16300), (7172, 9325), (7460, 8965), (8150, 8206)]