204007580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2339}}^1$

素因数の和:2451

約数の個数: 72

約数和(自身を含む): 504176400

約数和(自身を除く): 300168820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 490, 623, 890, 980, 1246, 1780, 2339, 2492, 3115, 4361, 4678, 6230, 8722, 9356, 11695, 12460, 16373, 17444, 21805, 23390, 32746, 43610, 46780, 65492, 81865, 87220, 114611, 163730, 208171, 229222, 327460, 416342, 458444, 573055, 832684, 1040855, 1146110, 1457197, 2081710, 2292220, 2914394, 4163420, 5828788, 7285985, 10200379, 14571970, 20400758, 29143940, 40801516, 51001895, 102003790, 204007580]

約数ペア:

[(1, 204007580), (2, 102003790), (4, 51001895), (5, 40801516), (7, 29143940), (10, 20400758), (14, 14571970), (20, 10200379), (28, 7285985), (35, 5828788), (49, 4163420), (70, 2914394), (89, 2292220), (98, 2081710), (140, 1457197), (178, 1146110), (196, 1040855), (245, 832684), (356, 573055), (445, 458444), (490, 416342), (623, 327460), (890, 229222), (980, 208171), (1246, 163730), (1780, 114611), (2339, 87220), (2492, 81865), (3115, 65492), (4361, 46780), (4678, 43610), (6230, 32746), (8722, 23390), (9356, 21805), (11695, 17444), (12460, 16373)]