2912503220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{659}}^1\times {\mathrm{20089}}^1$

素因数の和:20768

約数の個数: 48

約数和(自身を含む): 6682737600

約数和(自身を除く): 3770234380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 659, 1318, 2636, 3295, 6590, 7249, 13180, 14498, 20089, 28996, 36245, 40178, 72490, 80356, 100445, 144980, 200890, 220979, 401780, 441958, 883916, 1104895, 2209790, 4419580, 13238651, 26477302, 52954604, 66193255, 132386510, 145625161, 264773020, 291250322, 582500644, 728125805, 1456251610, 2912503220]

約数ペア:

[(1, 2912503220), (2, 1456251610), (4, 728125805), (5, 582500644), (10, 291250322), (11, 264773020), (20, 145625161), (22, 132386510), (44, 66193255), (55, 52954604), (110, 26477302), (220, 13238651), (659, 4419580), (1318, 2209790), (2636, 1104895), (3295, 883916), (6590, 441958), (7249, 401780), (13180, 220979), (14498, 200890), (20089, 144980), (28996, 100445), (36245, 80356), (40178, 72490)]