2620100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 6874560

約数和(自身を除く): 4254460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 197, 266, 350, 380, 394, 475, 532, 665, 700, 788, 950, 985, 1330, 1379, 1900, 1970, 2660, 2758, 3325, 3743, 3940, 4925, 5516, 6650, 6895, 7486, 9850, 13300, 13790, 14972, 18715, 19700, 26201, 27580, 34475, 37430, 52402, 68950, 74860, 93575, 104804, 131005, 137900, 187150, 262010, 374300, 524020, 655025, 1310050, 2620100]

約数ペア:

[(1, 2620100), (2, 1310050), (4, 655025), (5, 524020), (7, 374300), (10, 262010), (14, 187150), (19, 137900), (20, 131005), (25, 104804), (28, 93575), (35, 74860), (38, 68950), (50, 52402), (70, 37430), (76, 34475), (95, 27580), (100, 26201), (133, 19700), (140, 18715), (175, 14972), (190, 13790), (197, 13300), (266, 9850), (350, 7486), (380, 6895), (394, 6650), (475, 5516), (532, 4925), (665, 3940), (700, 3743), (788, 3325), (950, 2758), (985, 2660), (1330, 1970), (1379, 1900)]