128976430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 264591360

約数和(自身を除く): 135614930

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 109, 110, 155, 218, 310, 341, 347, 545, 682, 694, 1090, 1199, 1705, 1735, 2398, 3379, 3410, 3470, 3817, 5995, 6758, 7634, 10757, 11990, 16895, 19085, 21514, 33790, 37169, 37823, 38170, 53785, 74338, 75646, 107570, 118327, 185845, 189115, 236654, 371690, 378230, 416053, 591635, 832106, 1172513, 1183270, 2080265, 2345026, 4160530, 5862565, 11725130, 12897643, 25795286, 64488215, 128976430]

約数ペア:

[(1, 128976430), (2, 64488215), (5, 25795286), (10, 12897643), (11, 11725130), (22, 5862565), (31, 4160530), (55, 2345026), (62, 2080265), (109, 1183270), (110, 1172513), (155, 832106), (218, 591635), (310, 416053), (341, 378230), (347, 371690), (545, 236654), (682, 189115), (694, 185845), (1090, 118327), (1199, 107570), (1705, 75646), (1735, 74338), (2398, 53785), (3379, 38170), (3410, 37823), (3470, 37169), (3817, 33790), (5995, 21514), (6758, 19085), (7634, 16895), (10757, 11990)]