55305320

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:200

約数の個数: 128

約数和(自身を含む): 151200000

約数和(自身を除く): 95894680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 56, 58, 70, 98, 116, 139, 140, 145, 196, 203, 232, 245, 278, 280, 290, 343, 392, 406, 490, 556, 580, 686, 695, 812, 973, 980, 1015, 1112, 1160, 1372, 1390, 1421, 1624, 1715, 1946, 1960, 2030, 2744, 2780, 2842, 3430, 3892, 4031, 4060, 4865, 5560, 5684, 6811, 6860, 7105, 7784, 8062, 8120, 9730, 9947, 11368, 13622, 13720, 14210, 16124, 19460, 19894, 20155, 27244, 28217, 28420, 32248, 34055, 38920, 39788, 40310, 47677, 49735, 54488, 56434, 56840, 68110, 79576, 80620, 95354, 99470, 112868, 136220, 141085, 161240, 190708, 197519, 198940, 225736, 238385, 272440, 282170, 381416, 395038, 397880, 476770, 564340, 790076, 953540, 987595, 1128680, 1382633, 1580152, 1907080, 1975190, 2765266, 3950380, 5530532, 6913165, 7900760, 11061064, 13826330, 27652660, 55305320]

約数ペア:

[(1, 55305320), (2, 27652660), (4, 13826330), (5, 11061064), (7, 7900760), (8, 6913165), (10, 5530532), (14, 3950380), (20, 2765266), (28, 1975190), (29, 1907080), (35, 1580152), (40, 1382633), (49, 1128680), (56, 987595), (58, 953540), (70, 790076), (98, 564340), (116, 476770), (139, 397880), (140, 395038), (145, 381416), (196, 282170), (203, 272440), (232, 238385), (245, 225736), (278, 198940), (280, 197519), (290, 190708), (343, 161240), (392, 141085), (406, 136220), (490, 112868), (556, 99470), (580, 95354), (686, 80620), (695, 79576), (812, 68110), (973, 56840), (980, 56434), (1015, 54488), (1112, 49735), (1160, 47677), (1372, 40310), (1390, 39788), (1421, 38920), (1624, 34055), (1715, 32248), (1946, 28420), (1960, 28217), (2030, 27244), (2744, 20155), (2780, 19894), (2842, 19460), (3430, 16124), (3892, 14210), (4031, 13720), (4060, 13622), (4865, 11368), (5560, 9947), (5684, 9730), (6811, 8120), (6860, 8062), (7105, 7784)]