307291220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{1129}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 668236800

約数和(自身を除く): 360945580

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 439, 620, 878, 1129, 1756, 2195, 2258, 4390, 4516, 5645, 8780, 11290, 13609, 22580, 27218, 34999, 54436, 68045, 69998, 136090, 139996, 174995, 272180, 349990, 495631, 699980, 991262, 1982524, 2478155, 4956310, 9912620, 15364561, 30729122, 61458244, 76822805, 153645610, 307291220]

約数ペア:

[(1, 307291220), (2, 153645610), (4, 76822805), (5, 61458244), (10, 30729122), (20, 15364561), (31, 9912620), (62, 4956310), (124, 2478155), (155, 1982524), (310, 991262), (439, 699980), (620, 495631), (878, 349990), (1129, 272180), (1756, 174995), (2195, 139996), (2258, 136090), (4390, 69998), (4516, 68045), (5645, 54436), (8780, 34999), (11290, 27218), (13609, 22580)]