39977140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{113}}^1$

素因数の和:174

約数の個数: 108

約数和(自身を含む): 103980996

約数和(自身を除く): 64003856

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 113, 133, 140, 190, 196, 226, 245, 266, 361, 380, 452, 490, 532, 565, 665, 722, 791, 931, 980, 1130, 1330, 1444, 1582, 1805, 1862, 2147, 2260, 2527, 2660, 3164, 3610, 3724, 3955, 4294, 4655, 5054, 5537, 7220, 7910, 8588, 9310, 10108, 10735, 11074, 12635, 15029, 15820, 17689, 18620, 21470, 22148, 25270, 27685, 30058, 35378, 40793, 42940, 50540, 55370, 60116, 70756, 75145, 81586, 88445, 105203, 110740, 150290, 163172, 176890, 203965, 210406, 285551, 300580, 353780, 407930, 420812, 526015, 571102, 815860, 1052030, 1142204, 1427755, 1998857, 2104060, 2855510, 3997714, 5711020, 7995428, 9994285, 19988570, 39977140]

約数ペア:

[(1, 39977140), (2, 19988570), (4, 9994285), (5, 7995428), (7, 5711020), (10, 3997714), (14, 2855510), (19, 2104060), (20, 1998857), (28, 1427755), (35, 1142204), (38, 1052030), (49, 815860), (70, 571102), (76, 526015), (95, 420812), (98, 407930), (113, 353780), (133, 300580), (140, 285551), (190, 210406), (196, 203965), (226, 176890), (245, 163172), (266, 150290), (361, 110740), (380, 105203), (452, 88445), (490, 81586), (532, 75145), (565, 70756), (665, 60116), (722, 55370), (791, 50540), (931, 42940), (980, 40793), (1130, 35378), (1330, 30058), (1444, 27685), (1582, 25270), (1805, 22148), (1862, 21470), (2147, 18620), (2260, 17689), (2527, 15820), (2660, 15029), (3164, 12635), (3610, 11074), (3724, 10735), (3955, 10108), (4294, 9310), (4655, 8588), (5054, 7910), (5537, 7220)]