305414930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1487}}^1$

素因数の和:1583

約数の個数: 64

約数和(自身を含む): 617103360

約数和(自身を除く): 311688430

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 47, 94, 95, 115, 190, 230, 235, 437, 470, 874, 893, 1081, 1487, 1786, 2162, 2185, 2974, 4370, 4465, 5405, 7435, 8930, 10810, 14870, 20539, 28253, 34201, 41078, 56506, 68402, 69889, 102695, 139778, 141265, 171005, 205390, 282530, 342010, 349445, 649819, 698890, 1299638, 1327891, 1607447, 2655782, 3214894, 3249095, 6498190, 6639455, 8037235, 13278910, 16074470, 30541493, 61082986, 152707465, 305414930]

約数ペア:

[(1, 305414930), (2, 152707465), (5, 61082986), (10, 30541493), (19, 16074470), (23, 13278910), (38, 8037235), (46, 6639455), (47, 6498190), (94, 3249095), (95, 3214894), (115, 2655782), (190, 1607447), (230, 1327891), (235, 1299638), (437, 698890), (470, 649819), (874, 349445), (893, 342010), (1081, 282530), (1487, 205390), (1786, 171005), (2162, 141265), (2185, 139778), (2974, 102695), (4370, 69889), (4465, 68402), (5405, 56506), (7435, 41078), (8930, 34201), (10810, 28253), (14870, 20539)]