239431640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{809}}^1$

素因数の和:985

約数の個数: 96

約数和(自身を含む): 631605600

約数和(自身を除く): 392173960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 151, 196, 245, 280, 302, 392, 490, 604, 755, 809, 980, 1057, 1208, 1510, 1618, 1960, 2114, 3020, 3236, 4045, 4228, 5285, 5663, 6040, 6472, 7399, 8090, 8456, 10570, 11326, 14798, 16180, 21140, 22652, 28315, 29596, 32360, 36995, 39641, 42280, 45304, 56630, 59192, 73990, 79282, 113260, 122159, 147980, 158564, 198205, 226520, 244318, 295960, 317128, 396410, 488636, 610795, 792820, 855113, 977272, 1221590, 1585640, 1710226, 2443180, 3420452, 4275565, 4886360, 5985791, 6840904, 8551130, 11971582, 17102260, 23943164, 29928955, 34204520, 47886328, 59857910, 119715820, 239431640]

約数ペア:

[(1, 239431640), (2, 119715820), (4, 59857910), (5, 47886328), (7, 34204520), (8, 29928955), (10, 23943164), (14, 17102260), (20, 11971582), (28, 8551130), (35, 6840904), (40, 5985791), (49, 4886360), (56, 4275565), (70, 3420452), (98, 2443180), (140, 1710226), (151, 1585640), (196, 1221590), (245, 977272), (280, 855113), (302, 792820), (392, 610795), (490, 488636), (604, 396410), (755, 317128), (809, 295960), (980, 244318), (1057, 226520), (1208, 198205), (1510, 158564), (1618, 147980), (1960, 122159), (2114, 113260), (3020, 79282), (3236, 73990), (4045, 59192), (4228, 56630), (5285, 45304), (5663, 42280), (6040, 39641), (6472, 36995), (7399, 32360), (8090, 29596), (8456, 28315), (10570, 22652), (11326, 21140), (14798, 16180)]