133618840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{659}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 311493600

約数和(自身を除く): 177874760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 137, 148, 185, 274, 296, 370, 548, 659, 685, 740, 1096, 1318, 1370, 1480, 2636, 2740, 3295, 5069, 5272, 5480, 6590, 10138, 13180, 20276, 24383, 25345, 26360, 40552, 48766, 50690, 90283, 97532, 101380, 121915, 180566, 195064, 202760, 243830, 361132, 451415, 487660, 722264, 902830, 975320, 1805660, 3340471, 3611320, 6680942, 13361884, 16702355, 26723768, 33404710, 66809420, 133618840]

約数ペア:

[(1, 133618840), (2, 66809420), (4, 33404710), (5, 26723768), (8, 16702355), (10, 13361884), (20, 6680942), (37, 3611320), (40, 3340471), (74, 1805660), (137, 975320), (148, 902830), (185, 722264), (274, 487660), (296, 451415), (370, 361132), (548, 243830), (659, 202760), (685, 195064), (740, 180566), (1096, 121915), (1318, 101380), (1370, 97532), (1480, 90283), (2636, 50690), (2740, 48766), (3295, 40552), (5069, 26360), (5272, 25345), (5480, 24383), (6590, 20276), (10138, 13180)]