74438780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6983}}^1$

素因数の和:7046

約数の個数: 48

約数和(自身を含む): 172476864

約数和(自身を除く): 98038084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 6983, 10660, 13966, 27932, 34915, 69830, 90779, 139660, 181558, 286303, 363116, 453895, 572606, 907790, 1145212, 1431515, 1815580, 2863030, 3721939, 5726060, 7443878, 14887756, 18609695, 37219390, 74438780]

約数ペア:

[(1, 74438780), (2, 37219390), (4, 18609695), (5, 14887756), (10, 7443878), (13, 5726060), (20, 3721939), (26, 2863030), (41, 1815580), (52, 1431515), (65, 1145212), (82, 907790), (130, 572606), (164, 453895), (205, 363116), (260, 286303), (410, 181558), (533, 139660), (820, 90779), (1066, 69830), (2132, 34915), (2665, 27932), (5330, 13966), (6983, 10660)]