78836980

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{941}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 170916480

約数和(自身を除く): 92079500

約数列:

[1, 2, 4, 5, 10, 20, 59, 71, 118, 142, 236, 284, 295, 355, 590, 710, 941, 1180, 1420, 1882, 3764, 4189, 4705, 8378, 9410, 16756, 18820, 20945, 41890, 55519, 66811, 83780, 111038, 133622, 222076, 267244, 277595, 334055, 555190, 668110, 1110380, 1336220, 3941849, 7883698, 15767396, 19709245, 39418490, 78836980]

約数ペア:

[(1, 78836980), (2, 39418490), (4, 19709245), (5, 15767396), (10, 7883698), (20, 3941849), (59, 1336220), (71, 1110380), (118, 668110), (142, 555190), (236, 334055), (284, 277595), (295, 267244), (355, 222076), (590, 133622), (710, 111038), (941, 83780), (1180, 66811), (1420, 55519), (1882, 41890), (3764, 20945), (4189, 18820), (4705, 16756), (8378, 9410)]