87397850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{449}}^1$

素因数の和:707

約数の個数: 48

約数和(自身を含む): 173259000

約数和(自身を除く): 85861150

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 229, 425, 449, 458, 850, 898, 1145, 2245, 2290, 3893, 4490, 5725, 7633, 7786, 11225, 11450, 15266, 19465, 22450, 38165, 38930, 76330, 97325, 102821, 190825, 194650, 205642, 381650, 514105, 1028210, 1747957, 2570525, 3495914, 5141050, 8739785, 17479570, 43698925, 87397850]

約数ペア:

[(1, 87397850), (2, 43698925), (5, 17479570), (10, 8739785), (17, 5141050), (25, 3495914), (34, 2570525), (50, 1747957), (85, 1028210), (170, 514105), (229, 381650), (425, 205642), (449, 194650), (458, 190825), (850, 102821), (898, 97325), (1145, 76330), (2245, 38930), (2290, 38165), (3893, 22450), (4490, 19465), (5725, 15266), (7633, 11450), (7786, 11225)]