82435640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 218045520

約数和(自身を除く): 135609880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 137, 140, 196, 245, 274, 280, 307, 392, 490, 548, 614, 685, 959, 980, 1096, 1228, 1370, 1535, 1918, 1960, 2149, 2456, 2740, 3070, 3836, 4298, 4795, 5480, 6140, 6713, 7672, 8596, 9590, 10745, 12280, 13426, 15043, 17192, 19180, 21490, 26852, 30086, 33565, 38360, 42059, 42980, 53704, 60172, 67130, 75215, 84118, 85960, 120344, 134260, 150430, 168236, 210295, 268520, 294413, 300860, 336472, 420590, 588826, 601720, 841180, 1177652, 1472065, 1682360, 2060891, 2355304, 2944130, 4121782, 5888260, 8243564, 10304455, 11776520, 16487128, 20608910, 41217820, 82435640]

約数ペア:

[(1, 82435640), (2, 41217820), (4, 20608910), (5, 16487128), (7, 11776520), (8, 10304455), (10, 8243564), (14, 5888260), (20, 4121782), (28, 2944130), (35, 2355304), (40, 2060891), (49, 1682360), (56, 1472065), (70, 1177652), (98, 841180), (137, 601720), (140, 588826), (196, 420590), (245, 336472), (274, 300860), (280, 294413), (307, 268520), (392, 210295), (490, 168236), (548, 150430), (614, 134260), (685, 120344), (959, 85960), (980, 84118), (1096, 75215), (1228, 67130), (1370, 60172), (1535, 53704), (1918, 42980), (1960, 42059), (2149, 38360), (2456, 33565), (2740, 30086), (3070, 26852), (3836, 21490), (4298, 19180), (4795, 17192), (5480, 15043), (6140, 13426), (6713, 12280), (7672, 10745), (8596, 9590)]