2805900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 8332800

約数和(自身を除く): 5526900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 47, 50, 60, 75, 94, 100, 141, 150, 188, 199, 235, 282, 300, 398, 470, 564, 597, 705, 796, 940, 995, 1175, 1194, 1410, 1990, 2350, 2388, 2820, 2985, 3525, 3980, 4700, 4975, 5970, 7050, 9353, 9950, 11940, 14100, 14925, 18706, 19900, 28059, 29850, 37412, 46765, 56118, 59700, 93530, 112236, 140295, 187060, 233825, 280590, 467650, 561180, 701475, 935300, 1402950, 2805900]

約数ペア:

[(1, 2805900), (2, 1402950), (3, 935300), (4, 701475), (5, 561180), (6, 467650), (10, 280590), (12, 233825), (15, 187060), (20, 140295), (25, 112236), (30, 93530), (47, 59700), (50, 56118), (60, 46765), (75, 37412), (94, 29850), (100, 28059), (141, 19900), (150, 18706), (188, 14925), (199, 14100), (235, 11940), (282, 9950), (300, 9353), (398, 7050), (470, 5970), (564, 4975), (597, 4700), (705, 3980), (796, 3525), (940, 2985), (995, 2820), (1175, 2388), (1194, 2350), (1410, 1990)]