209300

素因数分解:

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

素因数の和:57

約数の個数: 72

約数和(自身を含む): 583296

約数和(自身を除く): 373996

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, 175, 182, 230, 260, 299, 322, 325, 350, 364, 455, 460, 575, 598, 644, 650, 700, 805, 910, 1150, 1196, 1300, 1495, 1610, 1820, 2093, 2275, 2300, 2990, 3220, 4025, 4186, 4550, 5980, 7475, 8050, 8372, 9100, 10465, 14950, 16100, 20930, 29900, 41860, 52325, 104650, 209300]

約数ペア:

[(1, 209300), (2, 104650), (4, 52325), (5, 41860), (7, 29900), (10, 20930), (13, 16100), (14, 14950), (20, 10465), (23, 9100), (25, 8372), (26, 8050), (28, 7475), (35, 5980), (46, 4550), (50, 4186), (52, 4025), (65, 3220), (70, 2990), (91, 2300), (92, 2275), (100, 2093), (115, 1820), (130, 1610), (140, 1495), (161, 1300), (175, 1196), (182, 1150), (230, 910), (260, 805), (299, 700), (322, 650), (325, 644), (350, 598), (364, 575), (455, 460)]