349052980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{1283}}^1$

素因数の和:1576

約数の個数: 48

約数和(自身を含む): 748952064

約数和(自身を除く): 399899084

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 223, 244, 305, 446, 610, 892, 1115, 1220, 1283, 2230, 2566, 4460, 5132, 6415, 12830, 13603, 25660, 27206, 54412, 68015, 78263, 136030, 156526, 272060, 286109, 313052, 391315, 572218, 782630, 1144436, 1430545, 1565260, 2861090, 5722180, 17452649, 34905298, 69810596, 87263245, 174526490, 349052980]

約数ペア:

[(1, 349052980), (2, 174526490), (4, 87263245), (5, 69810596), (10, 34905298), (20, 17452649), (61, 5722180), (122, 2861090), (223, 1565260), (244, 1430545), (305, 1144436), (446, 782630), (610, 572218), (892, 391315), (1115, 313052), (1220, 286109), (1283, 272060), (2230, 156526), (2566, 136030), (4460, 78263), (5132, 68015), (6415, 54412), (12830, 27206), (13603, 25660)]