2720900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1$

素因数の和:70

約数の個数: 108

約数和(自身を含む): 7624512

約数和(自身を除く): 4903612

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 25, 26, 28, 35, 46, 50, 52, 65, 70, 91, 92, 100, 115, 130, 140, 161, 169, 175, 182, 230, 260, 299, 322, 325, 338, 350, 364, 455, 460, 575, 598, 644, 650, 676, 700, 805, 845, 910, 1150, 1183, 1196, 1300, 1495, 1610, 1690, 1820, 2093, 2275, 2300, 2366, 2990, 3220, 3380, 3887, 4025, 4186, 4225, 4550, 4732, 5915, 5980, 7475, 7774, 8050, 8372, 8450, 9100, 10465, 11830, 14950, 15548, 16100, 16900, 19435, 20930, 23660, 27209, 29575, 29900, 38870, 41860, 52325, 54418, 59150, 77740, 97175, 104650, 108836, 118300, 136045, 194350, 209300, 272090, 388700, 544180, 680225, 1360450, 2720900]

約数ペア:

[(1, 2720900), (2, 1360450), (4, 680225), (5, 544180), (7, 388700), (10, 272090), (13, 209300), (14, 194350), (20, 136045), (23, 118300), (25, 108836), (26, 104650), (28, 97175), (35, 77740), (46, 59150), (50, 54418), (52, 52325), (65, 41860), (70, 38870), (91, 29900), (92, 29575), (100, 27209), (115, 23660), (130, 20930), (140, 19435), (161, 16900), (169, 16100), (175, 15548), (182, 14950), (230, 11830), (260, 10465), (299, 9100), (322, 8450), (325, 8372), (338, 8050), (350, 7774), (364, 7475), (455, 5980), (460, 5915), (575, 4732), (598, 4550), (644, 4225), (650, 4186), (676, 4025), (700, 3887), (805, 3380), (845, 3220), (910, 2990), (1150, 2366), (1183, 2300), (1196, 2275), (1300, 2093), (1495, 1820), (1610, 1690)]