255036620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{7541}}^1$

素因数の和:7658

約数の個数: 48

約数和(自身を含む): 570175200

約数和(自身を除く): 315138580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6764, 7541, 8455, 15082, 16910, 30164, 33820, 37705, 75410, 143279, 150820, 286558, 573116, 671149, 716395, 1342298, 1432790, 2684596, 2865580, 3355745, 6711490, 12751831, 13422980, 25503662, 51007324, 63759155, 127518310, 255036620]

約数ペア:

[(1, 255036620), (2, 127518310), (4, 63759155), (5, 51007324), (10, 25503662), (19, 13422980), (20, 12751831), (38, 6711490), (76, 3355745), (89, 2865580), (95, 2684596), (178, 1432790), (190, 1342298), (356, 716395), (380, 671149), (445, 573116), (890, 286558), (1691, 150820), (1780, 143279), (3382, 75410), (6764, 37705), (7541, 33820), (8455, 30164), (15082, 16910)]