813413720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{4663}}^1$

素因数の和:4777

約数の個数: 96

約数和(自身を含む): 2153368800

約数和(自身を除く): 1339955080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 89, 98, 140, 178, 196, 245, 280, 356, 392, 445, 490, 623, 712, 890, 980, 1246, 1780, 1960, 2492, 3115, 3560, 4361, 4663, 4984, 6230, 8722, 9326, 12460, 17444, 18652, 21805, 23315, 24920, 32641, 34888, 37304, 43610, 46630, 65282, 87220, 93260, 130564, 163205, 174440, 186520, 228487, 261128, 326410, 415007, 456974, 652820, 830014, 913948, 1142435, 1305640, 1660028, 1827896, 2075035, 2284870, 2905049, 3320056, 4150070, 4569740, 5810098, 8300140, 9139480, 11620196, 14525245, 16600280, 20335343, 23240392, 29050490, 40670686, 58100980, 81341372, 101676715, 116201960, 162682744, 203353430, 406706860, 813413720]

約数ペア:

[(1, 813413720), (2, 406706860), (4, 203353430), (5, 162682744), (7, 116201960), (8, 101676715), (10, 81341372), (14, 58100980), (20, 40670686), (28, 29050490), (35, 23240392), (40, 20335343), (49, 16600280), (56, 14525245), (70, 11620196), (89, 9139480), (98, 8300140), (140, 5810098), (178, 4569740), (196, 4150070), (245, 3320056), (280, 2905049), (356, 2284870), (392, 2075035), (445, 1827896), (490, 1660028), (623, 1305640), (712, 1142435), (890, 913948), (980, 830014), (1246, 652820), (1780, 456974), (1960, 415007), (2492, 326410), (3115, 261128), (3560, 228487), (4361, 186520), (4663, 174440), (4984, 163205), (6230, 130564), (8722, 93260), (9326, 87220), (12460, 65282), (17444, 46630), (18652, 43610), (21805, 37304), (23315, 34888), (24920, 32641)]