1905700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 4687200

約数和(自身を除く): 2781500

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 59, 68, 76, 85, 95, 100, 118, 170, 190, 236, 295, 323, 340, 380, 425, 475, 590, 646, 850, 950, 1003, 1121, 1180, 1292, 1475, 1615, 1700, 1900, 2006, 2242, 2950, 3230, 4012, 4484, 5015, 5605, 5900, 6460, 8075, 10030, 11210, 16150, 19057, 20060, 22420, 25075, 28025, 32300, 38114, 50150, 56050, 76228, 95285, 100300, 112100, 190570, 381140, 476425, 952850, 1905700]

約数ペア:

[(1, 1905700), (2, 952850), (4, 476425), (5, 381140), (10, 190570), (17, 112100), (19, 100300), (20, 95285), (25, 76228), (34, 56050), (38, 50150), (50, 38114), (59, 32300), (68, 28025), (76, 25075), (85, 22420), (95, 20060), (100, 19057), (118, 16150), (170, 11210), (190, 10030), (236, 8075), (295, 6460), (323, 5900), (340, 5605), (380, 5015), (425, 4484), (475, 4012), (590, 3230), (646, 2950), (850, 2242), (950, 2006), (1003, 1900), (1121, 1700), (1180, 1615), (1292, 1475)]