219103640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{21149}}^1$

素因数の和:21204

約数の個数: 64

約数和(自身を含む): 578664000

約数和(自身を除く): 359560360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 21149, 42298, 84596, 105745, 148043, 169192, 211490, 296086, 422980, 592172, 740215, 782513, 845960, 1184344, 1480430, 1565026, 2960860, 3130052, 3912565, 5477591, 5921720, 6260104, 7825130, 10955182, 15650260, 21910364, 27387955, 31300520, 43820728, 54775910, 109551820, 219103640]

約数ペア:

[(1, 219103640), (2, 109551820), (4, 54775910), (5, 43820728), (7, 31300520), (8, 27387955), (10, 21910364), (14, 15650260), (20, 10955182), (28, 7825130), (35, 6260104), (37, 5921720), (40, 5477591), (56, 3912565), (70, 3130052), (74, 2960860), (140, 1565026), (148, 1480430), (185, 1184344), (259, 845960), (280, 782513), (296, 740215), (370, 592172), (518, 422980), (740, 296086), (1036, 211490), (1295, 169192), (1480, 148043), (2072, 105745), (2590, 84596), (5180, 42298), (10360, 21149)]