398306720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1019}}^1$

素因数の和:1390

約数の個数: 96

約数和(自身を含む): 1079568000

約数和(自身を除く): 681261280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 349, 560, 698, 1019, 1120, 1396, 1745, 2038, 2443, 2792, 3490, 4076, 4886, 5095, 5584, 6980, 7133, 8152, 9772, 10190, 11168, 12215, 13960, 14266, 16304, 19544, 20380, 24430, 27920, 28532, 32608, 35665, 39088, 40760, 48860, 55840, 57064, 71330, 78176, 81520, 97720, 114128, 142660, 163040, 195440, 228256, 285320, 355631, 390880, 570640, 711262, 1141280, 1422524, 1778155, 2489417, 2845048, 3556310, 4978834, 5690096, 7112620, 9957668, 11380192, 12447085, 14225240, 19915336, 24894170, 28450480, 39830672, 49788340, 56900960, 79661344, 99576680, 199153360, 398306720]

約数ペア:

[(1, 398306720), (2, 199153360), (4, 99576680), (5, 79661344), (7, 56900960), (8, 49788340), (10, 39830672), (14, 28450480), (16, 24894170), (20, 19915336), (28, 14225240), (32, 12447085), (35, 11380192), (40, 9957668), (56, 7112620), (70, 5690096), (80, 4978834), (112, 3556310), (140, 2845048), (160, 2489417), (224, 1778155), (280, 1422524), (349, 1141280), (560, 711262), (698, 570640), (1019, 390880), (1120, 355631), (1396, 285320), (1745, 228256), (2038, 195440), (2443, 163040), (2792, 142660), (3490, 114128), (4076, 97720), (4886, 81520), (5095, 78176), (5584, 71330), (6980, 57064), (7133, 55840), (8152, 48860), (9772, 40760), (10190, 39088), (11168, 35665), (12215, 32608), (13960, 28532), (14266, 27920), (16304, 24430), (19544, 20380)]