138461840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6841}}^1$

素因数の和:6888

約数の個数: 80

約数和(自身を含む): 366512256

約数和(自身を除く): 228050416

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1840, 2024, 2530, 4048, 5060, 6841, 10120, 13682, 20240, 27364, 34205, 54728, 68410, 75251, 109456, 136820, 150502, 157343, 273640, 301004, 314686, 376255, 547280, 602008, 629372, 752510, 786715, 1204016, 1258744, 1505020, 1573430, 1730773, 2517488, 3010040, 3146860, 3461546, 6020080, 6293720, 6923092, 8653865, 12587440, 13846184, 17307730, 27692368, 34615460, 69230920, 138461840]

約数ペア:

[(1, 138461840), (2, 69230920), (4, 34615460), (5, 27692368), (8, 17307730), (10, 13846184), (11, 12587440), (16, 8653865), (20, 6923092), (22, 6293720), (23, 6020080), (40, 3461546), (44, 3146860), (46, 3010040), (55, 2517488), (80, 1730773), (88, 1573430), (92, 1505020), (110, 1258744), (115, 1204016), (176, 786715), (184, 752510), (220, 629372), (230, 602008), (253, 547280), (368, 376255), (440, 314686), (460, 301004), (506, 273640), (880, 157343), (920, 150502), (1012, 136820), (1265, 109456), (1840, 75251), (2024, 68410), (2530, 54728), (4048, 34205), (5060, 27364), (6841, 20240), (10120, 13682)]