289785860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{159223}}^1$

素因数の和:159252

約数の個数: 48

約数和(自身を含む): 748989696

約数和(自身を除く): 459203836

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 159223, 318446, 636892, 796115, 1114561, 1592230, 2069899, 2229122, 3184460, 4139798, 4458244, 5572805, 8279596, 10349495, 11145610, 14489293, 20698990, 22291220, 28978586, 41397980, 57957172, 72446465, 144892930, 289785860]

約数ペア:

[(1, 289785860), (2, 144892930), (4, 72446465), (5, 57957172), (7, 41397980), (10, 28978586), (13, 22291220), (14, 20698990), (20, 14489293), (26, 11145610), (28, 10349495), (35, 8279596), (52, 5572805), (65, 4458244), (70, 4139798), (91, 3184460), (130, 2229122), (140, 2069899), (182, 1592230), (260, 1114561), (364, 796115), (455, 636892), (910, 318446), (1820, 159223)]