257300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:128

約数の個数: 36

約数和(自身を含む): 583296

約数和(自身を除く): 325996

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 83, 100, 124, 155, 166, 310, 332, 415, 620, 775, 830, 1550, 1660, 2075, 2573, 3100, 4150, 5146, 8300, 10292, 12865, 25730, 51460, 64325, 128650, 257300]

約数ペア:

[(1, 257300), (2, 128650), (4, 64325), (5, 51460), (10, 25730), (20, 12865), (25, 10292), (31, 8300), (50, 5146), (62, 4150), (83, 3100), (100, 2573), (124, 2075), (155, 1660), (166, 1550), (310, 830), (332, 775), (415, 620)]