1290415300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{416263}}^1$

素因数の和:416308

約数の個数: 36

約数和(自身を含む): 2890537216

約数和(自身を除く): 1600121916

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 416263, 832526, 1665052, 2081315, 4162630, 8325260, 10406575, 12904153, 20813150, 25808306, 41626300, 51616612, 64520765, 129041530, 258083060, 322603825, 645207650, 1290415300]

約数ペア:

[(1, 1290415300), (2, 645207650), (4, 322603825), (5, 258083060), (10, 129041530), (20, 64520765), (25, 51616612), (31, 41626300), (50, 25808306), (62, 20813150), (100, 12904153), (124, 10406575), (155, 8325260), (310, 4162630), (620, 2081315), (775, 1665052), (1550, 832526), (3100, 416263)]