28101300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{1993}}^1$

素因数の和:2057

約数の個数: 72

約数和(自身を含む): 83078016

約数和(自身を除く): 54976716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 47, 50, 60, 75, 94, 100, 141, 150, 188, 235, 282, 300, 470, 564, 705, 940, 1175, 1410, 1993, 2350, 2820, 3525, 3986, 4700, 5979, 7050, 7972, 9965, 11958, 14100, 19930, 23916, 29895, 39860, 49825, 59790, 93671, 99650, 119580, 149475, 187342, 199300, 281013, 298950, 374684, 468355, 562026, 597900, 936710, 1124052, 1405065, 1873420, 2341775, 2810130, 4683550, 5620260, 7025325, 9367100, 14050650, 28101300]

約数ペア:

[(1, 28101300), (2, 14050650), (3, 9367100), (4, 7025325), (5, 5620260), (6, 4683550), (10, 2810130), (12, 2341775), (15, 1873420), (20, 1405065), (25, 1124052), (30, 936710), (47, 597900), (50, 562026), (60, 468355), (75, 374684), (94, 298950), (100, 281013), (141, 199300), (150, 187342), (188, 149475), (235, 119580), (282, 99650), (300, 93671), (470, 59790), (564, 49825), (705, 39860), (940, 29895), (1175, 23916), (1410, 19930), (1993, 14100), (2350, 11958), (2820, 9965), (3525, 7972), (3986, 7050), (4700, 5979)]