1004047900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{389}}^1\times {\mathrm{487}}^1$

素因数の和:943

約数の個数: 72

約数和(自身を含む): 2230169760

約数和(自身を除く): 1226121860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 389, 487, 530, 778, 974, 1060, 1325, 1556, 1945, 1948, 2435, 2650, 3890, 4870, 5300, 7780, 9725, 9740, 12175, 19450, 20617, 24350, 25811, 38900, 41234, 48700, 51622, 82468, 103085, 103244, 129055, 189443, 206170, 258110, 378886, 412340, 515425, 516220, 645275, 757772, 947215, 1030850, 1290550, 1894430, 2061700, 2581100, 3788860, 4736075, 9472150, 10040479, 18944300, 20080958, 40161916, 50202395, 100404790, 200809580, 251011975, 502023950, 1004047900]

約数ペア:

[(1, 1004047900), (2, 502023950), (4, 251011975), (5, 200809580), (10, 100404790), (20, 50202395), (25, 40161916), (50, 20080958), (53, 18944300), (100, 10040479), (106, 9472150), (212, 4736075), (265, 3788860), (389, 2581100), (487, 2061700), (530, 1894430), (778, 1290550), (974, 1030850), (1060, 947215), (1325, 757772), (1556, 645275), (1945, 516220), (1948, 515425), (2435, 412340), (2650, 378886), (3890, 258110), (4870, 206170), (5300, 189443), (7780, 129055), (9725, 103244), (9740, 103085), (12175, 82468), (19450, 51622), (20617, 48700), (24350, 41234), (25811, 38900)]