204414280

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:396

約数の個数: 128

約数和(自身を含む): 549504000

約数和(自身を除く): 345089720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 49, 56, 70, 94, 98, 140, 188, 196, 235, 245, 280, 317, 329, 343, 376, 392, 470, 490, 634, 658, 686, 940, 980, 1268, 1316, 1372, 1585, 1645, 1715, 1880, 1960, 2219, 2303, 2536, 2632, 2744, 3170, 3290, 3430, 4438, 4606, 6340, 6580, 6860, 8876, 9212, 11095, 11515, 12680, 13160, 13720, 14899, 15533, 16121, 17752, 18424, 22190, 23030, 29798, 31066, 32242, 44380, 46060, 59596, 62132, 64484, 74495, 77665, 80605, 88760, 92120, 104293, 108731, 119192, 124264, 128968, 148990, 155330, 161210, 208586, 217462, 297980, 310660, 322420, 417172, 434924, 521465, 543655, 595960, 621320, 644840, 730051, 834344, 869848, 1042930, 1087310, 1460102, 2085860, 2174620, 2920204, 3650255, 4171720, 4349240, 5110357, 5840408, 7300510, 10220714, 14601020, 20441428, 25551785, 29202040, 40882856, 51103570, 102207140, 204414280]

約数ペア:

[(1, 204414280), (2, 102207140), (4, 51103570), (5, 40882856), (7, 29202040), (8, 25551785), (10, 20441428), (14, 14601020), (20, 10220714), (28, 7300510), (35, 5840408), (40, 5110357), (47, 4349240), (49, 4171720), (56, 3650255), (70, 2920204), (94, 2174620), (98, 2085860), (140, 1460102), (188, 1087310), (196, 1042930), (235, 869848), (245, 834344), (280, 730051), (317, 644840), (329, 621320), (343, 595960), (376, 543655), (392, 521465), (470, 434924), (490, 417172), (634, 322420), (658, 310660), (686, 297980), (940, 217462), (980, 208586), (1268, 161210), (1316, 155330), (1372, 148990), (1585, 128968), (1645, 124264), (1715, 119192), (1880, 108731), (1960, 104293), (2219, 92120), (2303, 88760), (2536, 80605), (2632, 77665), (2744, 74495), (3170, 64484), (3290, 62132), (3430, 59596), (4438, 46060), (4606, 44380), (6340, 32242), (6580, 31066), (6860, 29798), (8876, 23030), (9212, 22190), (11095, 18424), (11515, 17752), (12680, 16121), (13160, 15533), (13720, 14899)]