123629320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{541}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 289753200

約数和(自身を除く): 166123880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 197, 232, 290, 394, 541, 580, 788, 985, 1082, 1160, 1576, 1970, 2164, 2705, 3940, 4328, 5410, 5713, 7880, 10820, 11426, 15689, 21640, 22852, 28565, 31378, 45704, 57130, 62756, 78445, 106577, 114260, 125512, 156890, 213154, 228520, 313780, 426308, 532885, 627560, 852616, 1065770, 2131540, 3090733, 4263080, 6181466, 12362932, 15453665, 24725864, 30907330, 61814660, 123629320]

約数ペア:

[(1, 123629320), (2, 61814660), (4, 30907330), (5, 24725864), (8, 15453665), (10, 12362932), (20, 6181466), (29, 4263080), (40, 3090733), (58, 2131540), (116, 1065770), (145, 852616), (197, 627560), (232, 532885), (290, 426308), (394, 313780), (541, 228520), (580, 213154), (788, 156890), (985, 125512), (1082, 114260), (1160, 106577), (1576, 78445), (1970, 62756), (2164, 57130), (2705, 45704), (3940, 31378), (4328, 28565), (5410, 22852), (5713, 21640), (7880, 15689), (10820, 11426)]