844202420

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1\times {\mathrm{1181}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 1796715648

約数和(自身を除く): 952513228

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 347, 412, 515, 694, 1030, 1181, 1388, 1735, 2060, 2362, 3470, 4724, 5905, 6940, 11810, 23620, 35741, 71482, 121643, 142964, 178705, 243286, 357410, 409807, 486572, 608215, 714820, 819614, 1216430, 1639228, 2049035, 2432860, 4098070, 8196140, 42210121, 84420242, 168840484, 211050605, 422101210, 844202420]

約数ペア:

[(1, 844202420), (2, 422101210), (4, 211050605), (5, 168840484), (10, 84420242), (20, 42210121), (103, 8196140), (206, 4098070), (347, 2432860), (412, 2049035), (515, 1639228), (694, 1216430), (1030, 819614), (1181, 714820), (1388, 608215), (1735, 486572), (2060, 409807), (2362, 357410), (3470, 243286), (4724, 178705), (5905, 142964), (6940, 121643), (11810, 71482), (23620, 35741)]