355340620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1\times {\mathrm{1237}}^1$

素因数の和:1570

約数の個数: 48

約数和(自身を含む): 763717248

約数和(自身を除く): 408376628

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 271, 530, 542, 1060, 1084, 1237, 1355, 2474, 2710, 4948, 5420, 6185, 12370, 14363, 24740, 28726, 57452, 65561, 71815, 131122, 143630, 262244, 287260, 327805, 335227, 655610, 670454, 1311220, 1340908, 1676135, 3352270, 6704540, 17767031, 35534062, 71068124, 88835155, 177670310, 355340620]

約数ペア:

[(1, 355340620), (2, 177670310), (4, 88835155), (5, 71068124), (10, 35534062), (20, 17767031), (53, 6704540), (106, 3352270), (212, 1676135), (265, 1340908), (271, 1311220), (530, 670454), (542, 655610), (1060, 335227), (1084, 327805), (1237, 287260), (1355, 262244), (2474, 143630), (2710, 131122), (4948, 71815), (5420, 65561), (6185, 57452), (12370, 28726), (14363, 24740)]