1920670472

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:643

約数の個数: 128

約数和(自身を含む): 4538695680

約数和(自身を除く): 2618025208

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 56, 62, 68, 119, 124, 136, 151, 217, 238, 248, 302, 431, 434, 476, 527, 604, 862, 868, 952, 1054, 1057, 1208, 1724, 1736, 2108, 2114, 2567, 3017, 3448, 3689, 4216, 4228, 4681, 5134, 6034, 7327, 7378, 8456, 9362, 10268, 12068, 13361, 14654, 14756, 17969, 18724, 20536, 24136, 26722, 29308, 29512, 32767, 35938, 37448, 51289, 53444, 58616, 65081, 65534, 71876, 79577, 93527, 102578, 106888, 130162, 131068, 143752, 159154, 187054, 205156, 227137, 260324, 262136, 318308, 374108, 410312, 454274, 455567, 520648, 557039, 636616, 748216, 908548, 911134, 1106377, 1114078, 1589959, 1817096, 1822268, 2017511, 2212754, 2228156, 3179918, 3644536, 4035022, 4425508, 4456312, 6359836, 7744639, 8070044, 8851016, 12719672, 14122577, 15489278, 16140088, 28245154, 30978556, 34297687, 56490308, 61957112, 68595374, 112980616, 137190748, 240083809, 274381496, 480167618, 960335236, 1920670472]

約数ペア:

[(1, 1920670472), (2, 960335236), (4, 480167618), (7, 274381496), (8, 240083809), (14, 137190748), (17, 112980616), (28, 68595374), (31, 61957112), (34, 56490308), (56, 34297687), (62, 30978556), (68, 28245154), (119, 16140088), (124, 15489278), (136, 14122577), (151, 12719672), (217, 8851016), (238, 8070044), (248, 7744639), (302, 6359836), (431, 4456312), (434, 4425508), (476, 4035022), (527, 3644536), (604, 3179918), (862, 2228156), (868, 2212754), (952, 2017511), (1054, 1822268), (1057, 1817096), (1208, 1589959), (1724, 1114078), (1736, 1106377), (2108, 911134), (2114, 908548), (2567, 748216), (3017, 636616), (3448, 557039), (3689, 520648), (4216, 455567), (4228, 454274), (4681, 410312), (5134, 374108), (6034, 318308), (7327, 262136), (7378, 260324), (8456, 227137), (9362, 205156), (10268, 187054), (12068, 159154), (13361, 143752), (14654, 131068), (14756, 130162), (17969, 106888), (18724, 102578), (20536, 93527), (24136, 79577), (26722, 71876), (29308, 65534), (29512, 65081), (32767, 58616), (35938, 53444), (37448, 51289)]