1901472785

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 2564835840

約数和(自身を除く): 663363055

約数列:

[1, 5, 19, 41, 53, 61, 95, 151, 205, 265, 305, 755, 779, 1007, 1159, 2173, 2501, 2869, 3233, 3895, 5035, 5795, 6191, 8003, 9211, 10865, 12505, 14345, 16165, 30955, 40015, 41287, 46055, 47519, 61427, 117629, 132553, 152057, 175009, 206435, 237595, 307135, 328123, 377651, 488183, 588145, 662765, 760285, 875045, 1640615, 1888255, 2440915, 2518507, 6234337, 7175369, 9275477, 12592535, 20015503, 31171685, 35876845, 46377385, 100077515, 380294557, 1901472785]

約数ペア:

[(1, 1901472785), (5, 380294557), (19, 100077515), (41, 46377385), (53, 35876845), (61, 31171685), (95, 20015503), (151, 12592535), (205, 9275477), (265, 7175369), (305, 6234337), (755, 2518507), (779, 2440915), (1007, 1888255), (1159, 1640615), (2173, 875045), (2501, 760285), (2869, 662765), (3233, 588145), (3895, 488183), (5035, 377651), (5795, 328123), (6191, 307135), (8003, 237595), (9211, 206435), (10865, 175009), (12505, 152057), (14345, 132553), (16165, 117629), (30955, 61427), (40015, 47519), (41287, 46055)]