208517540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2$

素因数の和:115

約数の個数: 216

約数和(自身を含む): 600530112

約数和(自身を除く): 392012572

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 29, 35, 44, 46, 49, 55, 58, 70, 77, 92, 98, 110, 115, 116, 140, 145, 154, 161, 196, 203, 220, 230, 245, 253, 290, 308, 319, 322, 385, 406, 460, 490, 506, 539, 580, 638, 644, 667, 770, 805, 812, 841, 980, 1012, 1015, 1078, 1127, 1265, 1276, 1334, 1421, 1540, 1595, 1610, 1682, 1771, 2030, 2156, 2233, 2254, 2530, 2668, 2695, 2842, 3190, 3220, 3335, 3364, 3542, 4060, 4205, 4466, 4508, 4669, 5060, 5390, 5635, 5684, 5887, 6380, 6670, 7084, 7105, 7337, 8410, 8855, 8932, 9251, 9338, 10780, 11165, 11270, 11774, 12397, 13340, 14210, 14674, 15631, 16820, 17710, 18502, 18676, 19343, 22330, 22540, 23345, 23548, 24794, 28420, 29348, 29435, 31262, 32683, 35420, 36685, 37004, 38686, 41209, 44660, 46255, 46690, 49588, 51359, 58870, 61985, 62524, 64757, 65366, 73370, 77372, 78155, 82418, 92510, 93380, 96715, 102718, 117740, 123970, 129514, 130732, 135401, 146740, 156310, 163415, 164836, 185020, 193430, 205436, 206045, 212773, 247940, 256795, 259028, 270802, 312620, 323785, 326830, 359513, 386860, 412090, 425546, 453299, 513590, 541604, 647570, 653660, 677005, 719026, 824180, 851092, 906598, 947807, 1027180, 1063865, 1295140, 1354010, 1438052, 1489411, 1797565, 1813196, 1895614, 2127730, 2266495, 2708020, 2978822, 3595130, 3791228, 4255460, 4532990, 4739035, 5957644, 7190260, 7447055, 9065980, 9478070, 10425877, 14894110, 18956140, 20851754, 29788220, 41703508, 52129385, 104258770, 208517540]

約数ペア:

[(1, 208517540), (2, 104258770), (4, 52129385), (5, 41703508), (7, 29788220), (10, 20851754), (11, 18956140), (14, 14894110), (20, 10425877), (22, 9478070), (23, 9065980), (28, 7447055), (29, 7190260), (35, 5957644), (44, 4739035), (46, 4532990), (49, 4255460), (55, 3791228), (58, 3595130), (70, 2978822), (77, 2708020), (92, 2266495), (98, 2127730), (110, 1895614), (115, 1813196), (116, 1797565), (140, 1489411), (145, 1438052), (154, 1354010), (161, 1295140), (196, 1063865), (203, 1027180), (220, 947807), (230, 906598), (245, 851092), (253, 824180), (290, 719026), (308, 677005), (319, 653660), (322, 647570), (385, 541604), (406, 513590), (460, 453299), (490, 425546), (506, 412090), (539, 386860), (580, 359513), (638, 326830), (644, 323785), (667, 312620), (770, 270802), (805, 259028), (812, 256795), (841, 247940), (980, 212773), (1012, 206045), (1015, 205436), (1078, 193430), (1127, 185020), (1265, 164836), (1276, 163415), (1334, 156310), (1421, 146740), (1540, 135401), (1595, 130732), (1610, 129514), (1682, 123970), (1771, 117740), (2030, 102718), (2156, 96715), (2233, 93380), (2254, 92510), (2530, 82418), (2668, 78155), (2695, 77372), (2842, 73370), (3190, 65366), (3220, 64757), (3335, 62524), (3364, 61985), (3542, 58870), (4060, 51359), (4205, 49588), (4466, 46690), (4508, 46255), (4669, 44660), (5060, 41209), (5390, 38686), (5635, 37004), (5684, 36685), (5887, 35420), (6380, 32683), (6670, 31262), (7084, 29435), (7105, 29348), (7337, 28420), (8410, 24794), (8855, 23548), (8932, 23345), (9251, 22540), (9338, 22330), (10780, 19343), (11165, 18676), (11270, 18502), (11774, 17710), (12397, 16820), (13340, 15631), (14210, 14674)]