1900387020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4524731}}^1$

素因数の和:4524750

約数の個数: 48

約数和(自身を含む): 6081239808

約数和(自身を除く): 4180852788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4524731, 9049462, 13574193, 18098924, 22623655, 27148386, 31673117, 45247310, 54296772, 63346234, 67870965, 90494620, 95019351, 126692468, 135741930, 158365585, 190038702, 271483860, 316731170, 380077404, 475096755, 633462340, 950193510, 1900387020]

約数ペア:

[(1, 1900387020), (2, 950193510), (3, 633462340), (4, 475096755), (5, 380077404), (6, 316731170), (7, 271483860), (10, 190038702), (12, 158365585), (14, 135741930), (15, 126692468), (20, 95019351), (21, 90494620), (28, 67870965), (30, 63346234), (35, 54296772), (42, 45247310), (60, 31673117), (70, 27148386), (84, 22623655), (105, 18098924), (140, 13574193), (210, 9049462), (420, 4524731)]