201809647780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1553}}^1\times {\mathrm{499801}}^1$

素因数の和:501376

約数の個数: 48

約数和(自身を含む): 456695077104

約数和(自身を除く): 254885429324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1553, 3106, 6212, 7765, 15530, 20189, 31060, 40378, 80756, 100945, 201890, 403780, 499801, 999602, 1999204, 2499005, 4998010, 6497413, 9996020, 12994826, 25989652, 32487065, 64974130, 129948260, 776190953, 1552381906, 3104763812, 3880954765, 7761909530, 10090482389, 15523819060, 20180964778, 40361929556, 50452411945, 100904823890, 201809647780]

約数ペア:

[(1, 201809647780), (2, 100904823890), (4, 50452411945), (5, 40361929556), (10, 20180964778), (13, 15523819060), (20, 10090482389), (26, 7761909530), (52, 3880954765), (65, 3104763812), (130, 1552381906), (260, 776190953), (1553, 129948260), (3106, 64974130), (6212, 32487065), (7765, 25989652), (15530, 12994826), (20189, 9996020), (31060, 6497413), (40378, 4998010), (80756, 2499005), (100945, 1999204), (201890, 999602), (403780, 499801)]