437702020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{100853}}^1$

素因数の和:100900

約数の個数: 48

約数和(自身を含む): 1084382208

約数和(自身を除く): 646680188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 100853, 201706, 403412, 504265, 705971, 1008530, 1411942, 2017060, 2823884, 3126443, 3529855, 6252886, 7059710, 12505772, 14119420, 15632215, 21885101, 31264430, 43770202, 62528860, 87540404, 109425505, 218851010, 437702020]

約数ペア:

[(1, 437702020), (2, 218851010), (4, 109425505), (5, 87540404), (7, 62528860), (10, 43770202), (14, 31264430), (20, 21885101), (28, 15632215), (31, 14119420), (35, 12505772), (62, 7059710), (70, 6252886), (124, 3529855), (140, 3126443), (155, 2823884), (217, 2017060), (310, 1411942), (434, 1008530), (620, 705971), (868, 504265), (1085, 403412), (2170, 201706), (4340, 100853)]