30657860

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 66213504

約数和(自身を除く): 35555644

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 137, 167, 268, 274, 334, 335, 548, 668, 670, 685, 835, 1340, 1370, 1670, 2740, 3340, 9179, 11189, 18358, 22378, 22879, 36716, 44756, 45758, 45895, 55945, 91516, 91790, 111890, 114395, 183580, 223780, 228790, 457580, 1532893, 3065786, 6131572, 7664465, 15328930, 30657860]

約数ペア:

[(1, 30657860), (2, 15328930), (4, 7664465), (5, 6131572), (10, 3065786), (20, 1532893), (67, 457580), (134, 228790), (137, 223780), (167, 183580), (268, 114395), (274, 111890), (334, 91790), (335, 91516), (548, 55945), (668, 45895), (670, 45758), (685, 44756), (835, 36716), (1340, 22879), (1370, 22378), (1670, 18358), (2740, 11189), (3340, 9179)]