78204940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{11467}}^1$

素因数の和:11518

約数の個数: 48

約数和(自身を含む): 184955904

約数和(自身を除く): 106750964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 11467, 22934, 45868, 57335, 114670, 126137, 229340, 252274, 355477, 504548, 630685, 710954, 1261370, 1421908, 1777385, 2522740, 3554770, 3910247, 7109540, 7820494, 15640988, 19551235, 39102470, 78204940]

約数ペア:

[(1, 78204940), (2, 39102470), (4, 19551235), (5, 15640988), (10, 7820494), (11, 7109540), (20, 3910247), (22, 3554770), (31, 2522740), (44, 1777385), (55, 1421908), (62, 1261370), (110, 710954), (124, 630685), (155, 504548), (220, 355477), (310, 252274), (341, 229340), (620, 126137), (682, 114670), (1364, 57335), (1705, 45868), (3410, 22934), (6820, 11467)]