128350460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10301}}^1$

素因数の和:10406

約数の個数: 48

約数和(自身を含む): 311532480

約数和(自身を除く): 183182020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 10301, 12460, 20602, 41204, 51505, 72107, 103010, 144214, 206020, 288428, 360535, 721070, 916789, 1442140, 1833578, 3667156, 4583945, 6417523, 9167890, 12835046, 18335780, 25670092, 32087615, 64175230, 128350460]

約数ペア:

[(1, 128350460), (2, 64175230), (4, 32087615), (5, 25670092), (7, 18335780), (10, 12835046), (14, 9167890), (20, 6417523), (28, 4583945), (35, 3667156), (70, 1833578), (89, 1442140), (140, 916789), (178, 721070), (356, 360535), (445, 288428), (623, 206020), (890, 144214), (1246, 103010), (1780, 72107), (2492, 51505), (3115, 41204), (6230, 20602), (10301, 12460)]