318798575

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 426639360

約数和(自身を除く): 107840785

約数列:

[1, 5, 25, 31, 41, 79, 127, 155, 205, 395, 635, 775, 1025, 1271, 1975, 2449, 3175, 3239, 3937, 5207, 6355, 10033, 12245, 16195, 19685, 26035, 31775, 50165, 61225, 80975, 98425, 100409, 130175, 161417, 250825, 311023, 411353, 502045, 807085, 1555115, 2056765, 2510225, 4035425, 7775575, 10283825, 12751943, 63759715, 318798575]

約数ペア:

[(1, 318798575), (5, 63759715), (25, 12751943), (31, 10283825), (41, 7775575), (79, 4035425), (127, 2510225), (155, 2056765), (205, 1555115), (395, 807085), (635, 502045), (775, 411353), (1025, 311023), (1271, 250825), (1975, 161417), (2449, 130175), (3175, 100409), (3239, 98425), (3937, 80975), (5207, 61225), (6355, 50165), (10033, 31775), (12245, 26035), (16195, 19685)]