49215740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{839}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 118540800

約数和(自身を除く): 69325060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 419, 838, 839, 1676, 1678, 2095, 2933, 3356, 4190, 4195, 5866, 5873, 8380, 8390, 11732, 11746, 14665, 16780, 23492, 29330, 29365, 58660, 58730, 117460, 351541, 703082, 1406164, 1757705, 2460787, 3515410, 4921574, 7030820, 9843148, 12303935, 24607870, 49215740]

約数ペア:

[(1, 49215740), (2, 24607870), (4, 12303935), (5, 9843148), (7, 7030820), (10, 4921574), (14, 3515410), (20, 2460787), (28, 1757705), (35, 1406164), (70, 703082), (140, 351541), (419, 117460), (838, 58730), (839, 58660), (1676, 29365), (1678, 29330), (2095, 23492), (2933, 16780), (3356, 14665), (4190, 11746), (4195, 11732), (5866, 8390), (5873, 8380)]