72011900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 166239360

約数和(自身を除く): 94227460

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 151, 190, 251, 302, 380, 475, 502, 604, 755, 950, 1004, 1255, 1510, 1900, 2510, 2869, 3020, 3775, 4769, 5020, 5738, 6275, 7550, 9538, 11476, 12550, 14345, 15100, 19076, 23845, 25100, 28690, 37901, 47690, 57380, 71725, 75802, 95380, 119225, 143450, 151604, 189505, 238450, 286900, 379010, 476900, 720119, 758020, 947525, 1440238, 1895050, 2880476, 3600595, 3790100, 7201190, 14402380, 18002975, 36005950, 72011900]

約数ペア:

[(1, 72011900), (2, 36005950), (4, 18002975), (5, 14402380), (10, 7201190), (19, 3790100), (20, 3600595), (25, 2880476), (38, 1895050), (50, 1440238), (76, 947525), (95, 758020), (100, 720119), (151, 476900), (190, 379010), (251, 286900), (302, 238450), (380, 189505), (475, 151604), (502, 143450), (604, 119225), (755, 95380), (950, 75802), (1004, 71725), (1255, 57380), (1510, 47690), (1900, 37901), (2510, 28690), (2869, 25100), (3020, 23845), (3775, 19076), (4769, 15100), (5020, 14345), (5738, 12550), (6275, 11476), (7550, 9538)]