20171882930

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{719}}^1\times {\mathrm{1087}}^1$

素因数の和:1931

約数の個数: 64

約数和(自身を含む): 38071296000

約数和(自身を除く): 17899413070

約数列:

[1, 2, 5, 10, 29, 58, 89, 145, 178, 290, 445, 719, 890, 1087, 1438, 2174, 2581, 3595, 5162, 5435, 7190, 10870, 12905, 20851, 25810, 31523, 41702, 63046, 63991, 96743, 104255, 127982, 157615, 193486, 208510, 315230, 319955, 483715, 639910, 781553, 967430, 1563106, 1855739, 2805547, 3711478, 3907765, 5611094, 7815530, 9278695, 14027735, 18557390, 22665037, 28055470, 45330074, 69558217, 113325185, 139116434, 226650370, 347791085, 695582170, 2017188293, 4034376586, 10085941465, 20171882930]

約数ペア:

[(1, 20171882930), (2, 10085941465), (5, 4034376586), (10, 2017188293), (29, 695582170), (58, 347791085), (89, 226650370), (145, 139116434), (178, 113325185), (290, 69558217), (445, 45330074), (719, 28055470), (890, 22665037), (1087, 18557390), (1438, 14027735), (2174, 9278695), (2581, 7815530), (3595, 5611094), (5162, 3907765), (5435, 3711478), (7190, 2805547), (10870, 1855739), (12905, 1563106), (20851, 967430), (25810, 781553), (31523, 639910), (41702, 483715), (63046, 319955), (63991, 315230), (96743, 208510), (104255, 193486), (127982, 157615)]