420624575

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{14929}}^1$

素因数の和:14976

約数の個数: 36

約数和(自身を含む): 633151440

約数和(自身を除く): 212526865

約数列:

[1, 5, 7, 23, 25, 35, 49, 115, 161, 175, 245, 575, 805, 1127, 1225, 4025, 5635, 14929, 28175, 74645, 104503, 343367, 373225, 522515, 731521, 1716835, 2403569, 2612575, 3657605, 8584175, 12017845, 16824983, 18288025, 60089225, 84124915, 420624575]

約数ペア:

[(1, 420624575), (5, 84124915), (7, 60089225), (23, 18288025), (25, 16824983), (35, 12017845), (49, 8584175), (115, 3657605), (161, 2612575), (175, 2403569), (245, 1716835), (575, 731521), (805, 522515), (1127, 373225), (1225, 343367), (4025, 104503), (5635, 74645), (14929, 28175)]