1921000300

素因数分解:

$2^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{281}}^1\times {\mathrm{499}}^1$

素因数の和:931

約数の個数: 72

約数和(自身を含む): 4222386000

約数和(自身を除く): 2301385700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 137, 274, 281, 499, 548, 562, 685, 998, 1124, 1370, 1405, 1996, 2495, 2740, 2810, 3425, 4990, 5620, 6850, 7025, 9980, 12475, 13700, 14050, 24950, 28100, 38497, 49900, 68363, 76994, 136726, 140219, 153988, 192485, 273452, 280438, 341815, 384970, 560876, 683630, 701095, 769940, 962425, 1367260, 1402190, 1709075, 1924850, 2804380, 3418150, 3505475, 3849700, 6836300, 7010950, 14021900, 19210003, 38420006, 76840012, 96050015, 192100030, 384200060, 480250075, 960500150, 1921000300]

約数ペア:

[(1, 1921000300), (2, 960500150), (4, 480250075), (5, 384200060), (10, 192100030), (20, 96050015), (25, 76840012), (50, 38420006), (100, 19210003), (137, 14021900), (274, 7010950), (281, 6836300), (499, 3849700), (548, 3505475), (562, 3418150), (685, 2804380), (998, 1924850), (1124, 1709075), (1370, 1402190), (1405, 1367260), (1996, 962425), (2495, 769940), (2740, 701095), (2810, 683630), (3425, 560876), (4990, 384970), (5620, 341815), (6850, 280438), (7025, 273452), (9980, 192485), (12475, 153988), (13700, 140219), (14050, 136726), (24950, 76994), (28100, 68363), (38497, 49900)]