1231070140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{4523}}^1$

素因数の和:5002

約数の個数: 48

約数和(自身を含む): 2675312640

約数和(自身を除く): 1444242500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 439, 620, 878, 1756, 2195, 4390, 4523, 8780, 9046, 13609, 18092, 22615, 27218, 45230, 54436, 68045, 90460, 136090, 140213, 272180, 280426, 560852, 701065, 1402130, 1985597, 2804260, 3971194, 7942388, 9927985, 19855970, 39711940, 61553507, 123107014, 246214028, 307767535, 615535070, 1231070140]

約数ペア:

[(1, 1231070140), (2, 615535070), (4, 307767535), (5, 246214028), (10, 123107014), (20, 61553507), (31, 39711940), (62, 19855970), (124, 9927985), (155, 7942388), (310, 3971194), (439, 2804260), (620, 1985597), (878, 1402130), (1756, 701065), (2195, 560852), (4390, 280426), (4523, 272180), (8780, 140213), (9046, 136090), (13609, 90460), (18092, 68045), (22615, 54436), (27218, 45230)]