11425820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 28440720

約数和(自身を除く): 17014900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 131, 140, 178, 196, 245, 262, 356, 445, 490, 524, 623, 655, 890, 917, 980, 1246, 1310, 1780, 1834, 2492, 2620, 3115, 3668, 4361, 4585, 6230, 6419, 8722, 9170, 11659, 12460, 12838, 17444, 18340, 21805, 23318, 25676, 32095, 43610, 46636, 58295, 64190, 81613, 87220, 116590, 128380, 163226, 233180, 326452, 408065, 571291, 816130, 1142582, 1632260, 2285164, 2856455, 5712910, 11425820]

約数ペア:

[(1, 11425820), (2, 5712910), (4, 2856455), (5, 2285164), (7, 1632260), (10, 1142582), (14, 816130), (20, 571291), (28, 408065), (35, 326452), (49, 233180), (70, 163226), (89, 128380), (98, 116590), (131, 87220), (140, 81613), (178, 64190), (196, 58295), (245, 46636), (262, 43610), (356, 32095), (445, 25676), (490, 23318), (524, 21805), (623, 18340), (655, 17444), (890, 12838), (917, 12460), (980, 11659), (1246, 9170), (1310, 8722), (1780, 6419), (1834, 6230), (2492, 4585), (2620, 4361), (3115, 3668)]