2013156740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{463861}}^1$

素因数の和:463908

約数の個数: 48

約数和(自身を含む): 4987444224

約数和(自身を除く): 2974287484

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, 463861, 927722, 1855444, 2319305, 3247027, 4638610, 6494054, 9277220, 12988108, 14379691, 16235135, 28759382, 32470270, 57518764, 64940540, 71898455, 100657837, 143796910, 201315674, 287593820, 402631348, 503289185, 1006578370, 2013156740]

約数ペア:

[(1, 2013156740), (2, 1006578370), (4, 503289185), (5, 402631348), (7, 287593820), (10, 201315674), (14, 143796910), (20, 100657837), (28, 71898455), (31, 64940540), (35, 57518764), (62, 32470270), (70, 28759382), (124, 16235135), (140, 14379691), (155, 12988108), (217, 9277220), (310, 6494054), (434, 4638610), (620, 3247027), (868, 2319305), (1085, 1855444), (2170, 927722), (4340, 463861)]