211806320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{1033}}^1$

素因数の和:1290

約数の個数: 80

約数和(自身を含む): 540045792

約数和(自身を除く): 328239472

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 233, 440, 466, 880, 932, 1033, 1165, 1864, 2066, 2330, 2563, 3728, 4132, 4660, 5126, 5165, 8264, 9320, 10252, 10330, 11363, 12815, 16528, 18640, 20504, 20660, 22726, 25630, 41008, 41320, 45452, 51260, 56815, 82640, 90904, 102520, 113630, 181808, 205040, 227260, 240689, 454520, 481378, 909040, 962756, 1203445, 1925512, 2406890, 2647579, 3851024, 4813780, 5295158, 9627560, 10590316, 13237895, 19255120, 21180632, 26475790, 42361264, 52951580, 105903160, 211806320]

約数ペア:

[(1, 211806320), (2, 105903160), (4, 52951580), (5, 42361264), (8, 26475790), (10, 21180632), (11, 19255120), (16, 13237895), (20, 10590316), (22, 9627560), (40, 5295158), (44, 4813780), (55, 3851024), (80, 2647579), (88, 2406890), (110, 1925512), (176, 1203445), (220, 962756), (233, 909040), (440, 481378), (466, 454520), (880, 240689), (932, 227260), (1033, 205040), (1165, 181808), (1864, 113630), (2066, 102520), (2330, 90904), (2563, 82640), (3728, 56815), (4132, 51260), (4660, 45452), (5126, 41320), (5165, 41008), (8264, 25630), (9320, 22726), (10252, 20660), (10330, 20504), (11363, 18640), (12815, 16528)]