440790714

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{331}}^1$

素因数の和:633

約数の個数: 128

約数和(自身を含む): 1213685760

約数和(自身を除く): 772895046

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 271, 273, 331, 351, 378, 542, 546, 662, 702, 813, 819, 993, 1626, 1638, 1897, 1986, 2317, 2439, 2457, 2979, 3523, 3794, 4303, 4634, 4878, 4914, 5691, 5958, 6951, 7046, 7317, 8606, 8937, 10569, 11382, 12909, 13902, 14634, 17073, 17874, 20853, 21138, 24661, 25818, 30121, 31707, 34146, 38727, 41706, 49322, 51219, 60242, 62559, 63414, 73983, 77454, 89701, 90363, 95121, 102438, 116181, 125118, 147966, 179402, 180726, 190242, 221949, 232362, 269103, 271089, 443898, 538206, 542178, 627907, 665847, 807309, 813267, 1166113, 1255814, 1331694, 1614618, 1626534, 1883721, 2332226, 2421927, 3498339, 3767442, 4843854, 5651163, 6996678, 8162791, 10495017, 11302326, 16325582, 16953489, 20990034, 24488373, 31485051, 33906978, 48976746, 62970102, 73465119, 146930238, 220395357, 440790714]

約数ペア:

[(1, 440790714), (2, 220395357), (3, 146930238), (6, 73465119), (7, 62970102), (9, 48976746), (13, 33906978), (14, 31485051), (18, 24488373), (21, 20990034), (26, 16953489), (27, 16325582), (39, 11302326), (42, 10495017), (54, 8162791), (63, 6996678), (78, 5651163), (91, 4843854), (117, 3767442), (126, 3498339), (182, 2421927), (189, 2332226), (234, 1883721), (271, 1626534), (273, 1614618), (331, 1331694), (351, 1255814), (378, 1166113), (542, 813267), (546, 807309), (662, 665847), (702, 627907), (813, 542178), (819, 538206), (993, 443898), (1626, 271089), (1638, 269103), (1897, 232362), (1986, 221949), (2317, 190242), (2439, 180726), (2457, 179402), (2979, 147966), (3523, 125118), (3794, 116181), (4303, 102438), (4634, 95121), (4878, 90363), (4914, 89701), (5691, 77454), (5958, 73983), (6951, 63414), (7046, 62559), (7317, 60242), (8606, 51219), (8937, 49322), (10569, 41706), (11382, 38727), (12909, 34146), (13902, 31707), (14634, 30121), (17073, 25818), (17874, 24661), (20853, 21138)]