199977280

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1061}}^1$

素因数の和:1128

約数の個数: 112

約数和(自身を含む): 517916160

約数和(自身を除く): 317938880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 320, 380, 496, 589, 608, 620, 760, 992, 1061, 1178, 1216, 1240, 1520, 1984, 2122, 2356, 2480, 2945, 3040, 4244, 4712, 4960, 5305, 5890, 6080, 8488, 9424, 9920, 10610, 11780, 16976, 18848, 20159, 21220, 23560, 32891, 33952, 37696, 40318, 42440, 47120, 65782, 67904, 80636, 84880, 94240, 100795, 131564, 161272, 164455, 169760, 188480, 201590, 263128, 322544, 328910, 339520, 403180, 526256, 624929, 645088, 657820, 806360, 1052512, 1249858, 1290176, 1315640, 1612720, 2105024, 2499716, 2631280, 3124645, 3225440, 4999432, 5262560, 6249290, 6450880, 9998864, 10525120, 12498580, 19997728, 24997160, 39995456, 49994320, 99988640, 199977280]

約数ペア:

[(1, 199977280), (2, 99988640), (4, 49994320), (5, 39995456), (8, 24997160), (10, 19997728), (16, 12498580), (19, 10525120), (20, 9998864), (31, 6450880), (32, 6249290), (38, 5262560), (40, 4999432), (62, 3225440), (64, 3124645), (76, 2631280), (80, 2499716), (95, 2105024), (124, 1612720), (152, 1315640), (155, 1290176), (160, 1249858), (190, 1052512), (248, 806360), (304, 657820), (310, 645088), (320, 624929), (380, 526256), (496, 403180), (589, 339520), (608, 328910), (620, 322544), (760, 263128), (992, 201590), (1061, 188480), (1178, 169760), (1216, 164455), (1240, 161272), (1520, 131564), (1984, 100795), (2122, 94240), (2356, 84880), (2480, 80636), (2945, 67904), (3040, 65782), (4244, 47120), (4712, 42440), (4960, 40318), (5305, 37696), (5890, 33952), (6080, 32891), (8488, 23560), (9424, 21220), (9920, 20159), (10610, 18848), (11780, 16976)]