78242140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1301}}^1$

素因数の和:1438

約数の個数: 48

約数和(自身を含む): 171489024

約数和(自身を除く): 93246884

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 485, 620, 970, 1301, 1940, 2602, 3007, 5204, 6014, 6505, 12028, 13010, 15035, 26020, 30070, 40331, 60140, 80662, 126197, 161324, 201655, 252394, 403310, 504788, 630985, 806620, 1261970, 2523940, 3912107, 7824214, 15648428, 19560535, 39121070, 78242140]

約数ペア:

[(1, 78242140), (2, 39121070), (4, 19560535), (5, 15648428), (10, 7824214), (20, 3912107), (31, 2523940), (62, 1261970), (97, 806620), (124, 630985), (155, 504788), (194, 403310), (310, 252394), (388, 201655), (485, 161324), (620, 126197), (970, 80662), (1301, 60140), (1940, 40331), (2602, 30070), (3007, 26020), (5204, 15035), (6014, 13010), (6505, 12028)]