219947840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:832

約数の個数: 112

約数和(自身を含む): 603504000

約数和(自身を除く): 383556160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 149, 160, 224, 280, 298, 320, 448, 560, 596, 659, 745, 1043, 1120, 1192, 1318, 1490, 2086, 2240, 2384, 2636, 2980, 3295, 4172, 4613, 4768, 5215, 5272, 5960, 6590, 8344, 9226, 9536, 10430, 10544, 11920, 13180, 16688, 18452, 20860, 21088, 23065, 23840, 26360, 33376, 36904, 41720, 42176, 46130, 47680, 52720, 66752, 73808, 83440, 92260, 98191, 105440, 147616, 166880, 184520, 196382, 210880, 295232, 333760, 369040, 392764, 490955, 687337, 738080, 785528, 981910, 1374674, 1476160, 1571056, 1963820, 2749348, 3142112, 3436685, 3927640, 5498696, 6284224, 6873370, 7855280, 10997392, 13746740, 15710560, 21994784, 27493480, 31421120, 43989568, 54986960, 109973920, 219947840]

約数ペア:

[(1, 219947840), (2, 109973920), (4, 54986960), (5, 43989568), (7, 31421120), (8, 27493480), (10, 21994784), (14, 15710560), (16, 13746740), (20, 10997392), (28, 7855280), (32, 6873370), (35, 6284224), (40, 5498696), (56, 3927640), (64, 3436685), (70, 3142112), (80, 2749348), (112, 1963820), (140, 1571056), (149, 1476160), (160, 1374674), (224, 981910), (280, 785528), (298, 738080), (320, 687337), (448, 490955), (560, 392764), (596, 369040), (659, 333760), (745, 295232), (1043, 210880), (1120, 196382), (1192, 184520), (1318, 166880), (1490, 147616), (2086, 105440), (2240, 98191), (2384, 92260), (2636, 83440), (2980, 73808), (3295, 66752), (4172, 52720), (4613, 47680), (4768, 46130), (5215, 42176), (5272, 41720), (5960, 36904), (6590, 33376), (8344, 26360), (9226, 23840), (9536, 23065), (10430, 21088), (10544, 20860), (11920, 18452), (13180, 16688)]