30861700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 72564800

約数和(自身を除く): 41703100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 74, 76, 95, 100, 148, 185, 190, 370, 380, 439, 475, 703, 740, 878, 925, 950, 1406, 1756, 1850, 1900, 2195, 2812, 3515, 3700, 4390, 7030, 8341, 8780, 10975, 14060, 16243, 16682, 17575, 21950, 32486, 33364, 35150, 41705, 43900, 64972, 70300, 81215, 83410, 162430, 166820, 208525, 308617, 324860, 406075, 417050, 617234, 812150, 834100, 1234468, 1543085, 1624300, 3086170, 6172340, 7715425, 15430850, 30861700]

約数ペア:

[(1, 30861700), (2, 15430850), (4, 7715425), (5, 6172340), (10, 3086170), (19, 1624300), (20, 1543085), (25, 1234468), (37, 834100), (38, 812150), (50, 617234), (74, 417050), (76, 406075), (95, 324860), (100, 308617), (148, 208525), (185, 166820), (190, 162430), (370, 83410), (380, 81215), (439, 70300), (475, 64972), (703, 43900), (740, 41705), (878, 35150), (925, 33364), (950, 32486), (1406, 21950), (1756, 17575), (1850, 16682), (1900, 16243), (2195, 14060), (2812, 10975), (3515, 8780), (3700, 8341), (4390, 7030)]