209039220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{569}}^1$

素因数の和:754

約数の個数: 144

約数和(自身を含む): 688418640

約数和(自身を除く): 479379420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 157, 180, 195, 234, 260, 314, 390, 468, 471, 569, 585, 628, 780, 785, 942, 1138, 1170, 1413, 1570, 1707, 1884, 2041, 2276, 2340, 2355, 2826, 2845, 3140, 3414, 4082, 4710, 5121, 5652, 5690, 6123, 6828, 7065, 7397, 8164, 8535, 9420, 10205, 10242, 11380, 12246, 14130, 14794, 17070, 18369, 20410, 20484, 22191, 24492, 25605, 28260, 29588, 30615, 34140, 36738, 36985, 40820, 44382, 51210, 61230, 66573, 73476, 73970, 88764, 89333, 91845, 102420, 110955, 122460, 133146, 147940, 178666, 183690, 221910, 266292, 267999, 332865, 357332, 367380, 443820, 446665, 535998, 665730, 803997, 893330, 1071996, 1161329, 1331460, 1339995, 1607994, 1786660, 2322658, 2679990, 3215988, 3483987, 4019985, 4645316, 5359980, 5806645, 6967974, 8039970, 10451961, 11613290, 13935948, 16079940, 17419935, 20903922, 23226580, 34839870, 41807844, 52259805, 69679740, 104519610, 209039220]

約数ペア:

[(1, 209039220), (2, 104519610), (3, 69679740), (4, 52259805), (5, 41807844), (6, 34839870), (9, 23226580), (10, 20903922), (12, 17419935), (13, 16079940), (15, 13935948), (18, 11613290), (20, 10451961), (26, 8039970), (30, 6967974), (36, 5806645), (39, 5359980), (45, 4645316), (52, 4019985), (60, 3483987), (65, 3215988), (78, 2679990), (90, 2322658), (117, 1786660), (130, 1607994), (156, 1339995), (157, 1331460), (180, 1161329), (195, 1071996), (234, 893330), (260, 803997), (314, 665730), (390, 535998), (468, 446665), (471, 443820), (569, 367380), (585, 357332), (628, 332865), (780, 267999), (785, 266292), (942, 221910), (1138, 183690), (1170, 178666), (1413, 147940), (1570, 133146), (1707, 122460), (1884, 110955), (2041, 102420), (2276, 91845), (2340, 89333), (2355, 88764), (2826, 73970), (2845, 73476), (3140, 66573), (3414, 61230), (4082, 51210), (4710, 44382), (5121, 40820), (5652, 36985), (5690, 36738), (6123, 34140), (6828, 30615), (7065, 29588), (7397, 28260), (8164, 25605), (8535, 24492), (9420, 22191), (10205, 20484), (10242, 20410), (11380, 18369), (12246, 17070), (14130, 14794)]