201456251305

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{2549}}^1$

素因数の和:2914

約数の個数: 64

約数和(自身を含む): 264648384000

約数和(自身を除く): 63192132695

約数列:

[1, 5, 19, 41, 95, 103, 197, 205, 515, 779, 985, 1957, 2549, 3743, 3895, 4223, 8077, 9785, 12745, 18715, 20291, 21115, 40385, 48431, 80237, 101455, 104509, 153463, 242155, 262547, 385529, 401185, 502153, 522545, 767315, 831931, 1312735, 1927645, 1985671, 2510765, 4159655, 4988393, 9540907, 9928355, 10764427, 15806689, 20588273, 24941965, 47704535, 51721759, 53822135, 79033445, 102941365, 204524113, 258608795, 391177187, 982713421, 1022620565, 1955885935, 2120592119, 4913567105, 10602960595, 40291250261, 201456251305]

約数ペア:

[(1, 201456251305), (5, 40291250261), (19, 10602960595), (41, 4913567105), (95, 2120592119), (103, 1955885935), (197, 1022620565), (205, 982713421), (515, 391177187), (779, 258608795), (985, 204524113), (1957, 102941365), (2549, 79033445), (3743, 53822135), (3895, 51721759), (4223, 47704535), (8077, 24941965), (9785, 20588273), (12745, 15806689), (18715, 10764427), (20291, 9928355), (21115, 9540907), (40385, 4988393), (48431, 4159655), (80237, 2510765), (101455, 1985671), (104509, 1927645), (153463, 1312735), (242155, 831931), (262547, 767315), (385529, 522545), (401185, 502153)]