208075240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1949}}^1$

素因数の和:2134

約数の個数: 64

約数和(自身を含む): 499122000

約数和(自身を除く): 291046760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 157, 170, 314, 340, 628, 680, 785, 1256, 1570, 1949, 2669, 3140, 3898, 5338, 6280, 7796, 9745, 10676, 13345, 15592, 19490, 21352, 26690, 33133, 38980, 53380, 66266, 77960, 106760, 132532, 165665, 265064, 305993, 331330, 611986, 662660, 1223972, 1325320, 1529965, 2447944, 3059930, 5201881, 6119860, 10403762, 12239720, 20807524, 26009405, 41615048, 52018810, 104037620, 208075240]

約数ペア:

[(1, 208075240), (2, 104037620), (4, 52018810), (5, 41615048), (8, 26009405), (10, 20807524), (17, 12239720), (20, 10403762), (34, 6119860), (40, 5201881), (68, 3059930), (85, 2447944), (136, 1529965), (157, 1325320), (170, 1223972), (314, 662660), (340, 611986), (628, 331330), (680, 305993), (785, 265064), (1256, 165665), (1570, 132532), (1949, 106760), (2669, 77960), (3140, 66266), (3898, 53380), (5338, 38980), (6280, 33133), (7796, 26690), (9745, 21352), (10676, 19490), (13345, 15592)]