28508170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 48

約数和(自身を含む): 55549800

約数和(自身を除く): 27041630

約数列:

[1, 2, 5, 10, 19, 38, 53, 95, 106, 149, 190, 265, 298, 361, 530, 722, 745, 1007, 1490, 1805, 2014, 2831, 3610, 5035, 5662, 7897, 10070, 14155, 15794, 19133, 28310, 38266, 39485, 53789, 78970, 95665, 107578, 150043, 191330, 268945, 300086, 537890, 750215, 1500430, 2850817, 5701634, 14254085, 28508170]

約数ペア:

[(1, 28508170), (2, 14254085), (5, 5701634), (10, 2850817), (19, 1500430), (38, 750215), (53, 537890), (95, 300086), (106, 268945), (149, 191330), (190, 150043), (265, 107578), (298, 95665), (361, 78970), (530, 53789), (722, 39485), (745, 38266), (1007, 28310), (1490, 19133), (1805, 15794), (2014, 14155), (2831, 10070), (3610, 7897), (5035, 5662)]