1261892740

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{659}}^1\times {\mathrm{1429}}^1$

素因数の和:2164

約数の個数: 48

約数和(自身を含む): 2695492800

約数和(自身を除く): 1433600060

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 659, 670, 1318, 1340, 1429, 2636, 2858, 3295, 5716, 6590, 7145, 13180, 14290, 28580, 44153, 88306, 95743, 176612, 191486, 220765, 382972, 441530, 478715, 883060, 941711, 957430, 1883422, 1914860, 3766844, 4708555, 9417110, 18834220, 63094637, 126189274, 252378548, 315473185, 630946370, 1261892740]

約数ペア:

[(1, 1261892740), (2, 630946370), (4, 315473185), (5, 252378548), (10, 126189274), (20, 63094637), (67, 18834220), (134, 9417110), (268, 4708555), (335, 3766844), (659, 1914860), (670, 1883422), (1318, 957430), (1340, 941711), (1429, 883060), (2636, 478715), (2858, 441530), (3295, 382972), (5716, 220765), (6590, 191486), (7145, 176612), (13180, 95743), (14290, 88306), (28580, 44153)]