680109025

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 902442240

約数和(自身を除く): 222333215

約数列:

[1, 5, 25, 37, 41, 79, 185, 205, 227, 395, 925, 1025, 1135, 1517, 1975, 2923, 3239, 5675, 7585, 8399, 9307, 14615, 16195, 17933, 37925, 41995, 46535, 73075, 80975, 89665, 119843, 209975, 232675, 344359, 448325, 599215, 663521, 735253, 1721795, 2996075, 3317605, 3676265, 8608975, 16588025, 18381325, 27204361, 136021805, 680109025]

約数ペア:

[(1, 680109025), (5, 136021805), (25, 27204361), (37, 18381325), (41, 16588025), (79, 8608975), (185, 3676265), (205, 3317605), (227, 2996075), (395, 1721795), (925, 735253), (1025, 663521), (1135, 599215), (1517, 448325), (1975, 344359), (2923, 232675), (3239, 209975), (5675, 119843), (7585, 89665), (8399, 80975), (9307, 73075), (14615, 46535), (16195, 41995), (17933, 37925)]