257312060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{18301}}^1$

素因数の和:18366

約数の個数: 48

約数和(自身を含む): 584199840

約数和(自身を除く): 326887780

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2812, 3515, 7030, 14060, 18301, 36602, 73204, 91505, 183010, 347719, 366020, 677137, 695438, 1354274, 1390876, 1738595, 2708548, 3385685, 3477190, 6771370, 6954380, 12865603, 13542740, 25731206, 51462412, 64328015, 128656030, 257312060]

約数ペア:

[(1, 257312060), (2, 128656030), (4, 64328015), (5, 51462412), (10, 25731206), (19, 13542740), (20, 12865603), (37, 6954380), (38, 6771370), (74, 3477190), (76, 3385685), (95, 2708548), (148, 1738595), (185, 1390876), (190, 1354274), (370, 695438), (380, 677137), (703, 366020), (740, 347719), (1406, 183010), (2812, 91505), (3515, 73204), (7030, 36602), (14060, 18301)]