70778140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2339}}^1$

素因数の和:2454

約数の個数: 48

約数和(自身を含む): 159213600

約数和(自身を除く): 88435460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 2339, 3026, 4678, 6052, 7565, 9356, 11695, 15130, 23390, 30260, 39763, 46780, 79526, 159052, 198815, 208171, 397630, 416342, 795260, 832684, 1040855, 2081710, 3538907, 4163420, 7077814, 14155628, 17694535, 35389070, 70778140]

約数ペア:

[(1, 70778140), (2, 35389070), (4, 17694535), (5, 14155628), (10, 7077814), (17, 4163420), (20, 3538907), (34, 2081710), (68, 1040855), (85, 832684), (89, 795260), (170, 416342), (178, 397630), (340, 208171), (356, 198815), (445, 159052), (890, 79526), (1513, 46780), (1780, 39763), (2339, 30260), (3026, 23390), (4678, 15130), (6052, 11695), (7565, 9356)]