2230340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 5443200

約数和(自身を除く): 3212860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 179, 356, 358, 445, 623, 716, 890, 895, 1246, 1253, 1780, 1790, 2492, 2506, 3115, 3580, 5012, 6230, 6265, 12460, 12530, 15931, 25060, 31862, 63724, 79655, 111517, 159310, 223034, 318620, 446068, 557585, 1115170, 2230340]

約数ペア:

[(1, 2230340), (2, 1115170), (4, 557585), (5, 446068), (7, 318620), (10, 223034), (14, 159310), (20, 111517), (28, 79655), (35, 63724), (70, 31862), (89, 25060), (140, 15931), (178, 12530), (179, 12460), (356, 6265), (358, 6230), (445, 5012), (623, 3580), (716, 3115), (890, 2506), (895, 2492), (1246, 1790), (1253, 1780)]