7912380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{18839}}^1$

素因数の和:18858

約数の個数: 48

約数和(自身を含む): 25320960

約数和(自身を除く): 17408580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 18839, 37678, 56517, 75356, 94195, 113034, 131873, 188390, 226068, 263746, 282585, 376780, 395619, 527492, 565170, 659365, 791238, 1130340, 1318730, 1582476, 1978095, 2637460, 3956190, 7912380]

約数ペア:

[(1, 7912380), (2, 3956190), (3, 2637460), (4, 1978095), (5, 1582476), (6, 1318730), (7, 1130340), (10, 791238), (12, 659365), (14, 565170), (15, 527492), (20, 395619), (21, 376780), (28, 282585), (30, 263746), (35, 226068), (42, 188390), (60, 131873), (70, 113034), (84, 94195), (105, 75356), (140, 56517), (210, 37678), (420, 18839)]