313555580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{6971}}^1$

素因数の和:7166

約数の個数: 48

約数和(自身を含む): 713319264

約数和(自身を除く): 399763684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 260, 346, 692, 865, 1730, 2249, 3460, 4498, 6971, 8996, 11245, 13942, 22490, 27884, 34855, 44980, 69710, 90623, 139420, 181246, 362492, 453115, 906230, 1205983, 1812460, 2411966, 4823932, 6029915, 12059830, 15677779, 24119660, 31355558, 62711116, 78388895, 156777790, 313555580]

約数ペア:

[(1, 313555580), (2, 156777790), (4, 78388895), (5, 62711116), (10, 31355558), (13, 24119660), (20, 15677779), (26, 12059830), (52, 6029915), (65, 4823932), (130, 2411966), (173, 1812460), (260, 1205983), (346, 906230), (692, 453115), (865, 362492), (1730, 181246), (2249, 139420), (3460, 90623), (4498, 69710), (6971, 44980), (8996, 34855), (11245, 27884), (13942, 22490)]