197722840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{359}}^1$

素因数の和:665

約数の個数: 96

約数和(自身を含む): 520797600

約数和(自身を除く): 323074760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 281, 359, 392, 490, 562, 718, 980, 1124, 1405, 1436, 1795, 1960, 1967, 2248, 2513, 2810, 2872, 3590, 3934, 5026, 5620, 7180, 7868, 9835, 10052, 11240, 12565, 13769, 14360, 15736, 17591, 19670, 20104, 25130, 27538, 35182, 39340, 50260, 55076, 68845, 70364, 78680, 87955, 100520, 100879, 110152, 137690, 140728, 175910, 201758, 275380, 351820, 403516, 504395, 550760, 703640, 706153, 807032, 1008790, 1412306, 2017580, 2824612, 3530765, 4035160, 4943071, 5649224, 7061530, 9886142, 14123060, 19772284, 24715355, 28246120, 39544568, 49430710, 98861420, 197722840]

約数ペア:

[(1, 197722840), (2, 98861420), (4, 49430710), (5, 39544568), (7, 28246120), (8, 24715355), (10, 19772284), (14, 14123060), (20, 9886142), (28, 7061530), (35, 5649224), (40, 4943071), (49, 4035160), (56, 3530765), (70, 2824612), (98, 2017580), (140, 1412306), (196, 1008790), (245, 807032), (280, 706153), (281, 703640), (359, 550760), (392, 504395), (490, 403516), (562, 351820), (718, 275380), (980, 201758), (1124, 175910), (1405, 140728), (1436, 137690), (1795, 110152), (1960, 100879), (1967, 100520), (2248, 87955), (2513, 78680), (2810, 70364), (2872, 68845), (3590, 55076), (3934, 50260), (5026, 39340), (5620, 35182), (7180, 27538), (7868, 25130), (9835, 20104), (10052, 19670), (11240, 17591), (12565, 15736), (13769, 14360)]