4278357025

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 5556215808

約数和(自身を除く): 1277858783

約数列:

[1, 5, 25, 43, 67, 191, 215, 311, 335, 955, 1075, 1555, 1675, 2881, 4775, 7775, 8213, 12797, 13373, 14405, 20837, 41065, 59401, 63985, 66865, 72025, 104185, 205325, 297005, 319925, 334325, 520925, 550271, 895991, 1485025, 2554243, 2751355, 3979867, 4479955, 12771215, 13756775, 19899335, 22399775, 63856075, 99496675, 171134281, 855671405, 4278357025]

約数ペア:

[(1, 4278357025), (5, 855671405), (25, 171134281), (43, 99496675), (67, 63856075), (191, 22399775), (215, 19899335), (311, 13756775), (335, 12771215), (955, 4479955), (1075, 3979867), (1555, 2751355), (1675, 2554243), (2881, 1485025), (4775, 895991), (7775, 550271), (8213, 520925), (12797, 334325), (13373, 319925), (14405, 297005), (20837, 205325), (41065, 104185), (59401, 72025), (63985, 66865)]