344820440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:337

約数の個数: 128

約数和(自身を含む): 851558400

約数和(自身を除く): 506737960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 43, 58, 62, 86, 116, 124, 145, 155, 172, 215, 223, 232, 248, 290, 310, 344, 430, 446, 580, 620, 860, 892, 899, 1115, 1160, 1240, 1247, 1333, 1720, 1784, 1798, 2230, 2494, 2666, 3596, 4460, 4495, 4988, 5332, 6235, 6467, 6665, 6913, 7192, 8920, 8990, 9589, 9976, 10664, 12470, 12934, 13330, 13826, 17980, 19178, 24940, 25868, 26660, 27652, 32335, 34565, 35960, 38356, 38657, 47945, 49880, 51736, 53320, 55304, 64670, 69130, 76712, 77314, 95890, 129340, 138260, 154628, 191780, 193285, 200477, 258680, 276520, 278081, 297259, 309256, 383560, 386570, 400954, 556162, 594518, 773140, 801908, 1002385, 1112324, 1189036, 1390405, 1486295, 1546280, 1603816, 2004770, 2224648, 2378072, 2780810, 2972590, 4009540, 5561620, 5945180, 8019080, 8620511, 11123240, 11890360, 17241022, 34482044, 43102555, 68964088, 86205110, 172410220, 344820440]

約数ペア:

[(1, 344820440), (2, 172410220), (4, 86205110), (5, 68964088), (8, 43102555), (10, 34482044), (20, 17241022), (29, 11890360), (31, 11123240), (40, 8620511), (43, 8019080), (58, 5945180), (62, 5561620), (86, 4009540), (116, 2972590), (124, 2780810), (145, 2378072), (155, 2224648), (172, 2004770), (215, 1603816), (223, 1546280), (232, 1486295), (248, 1390405), (290, 1189036), (310, 1112324), (344, 1002385), (430, 801908), (446, 773140), (580, 594518), (620, 556162), (860, 400954), (892, 386570), (899, 383560), (1115, 309256), (1160, 297259), (1240, 278081), (1247, 276520), (1333, 258680), (1720, 200477), (1784, 193285), (1798, 191780), (2230, 154628), (2494, 138260), (2666, 129340), (3596, 95890), (4460, 77314), (4495, 76712), (4988, 69130), (5332, 64670), (6235, 55304), (6467, 53320), (6665, 51736), (6913, 49880), (7192, 47945), (8920, 38657), (8990, 38356), (9589, 35960), (9976, 34565), (10664, 32335), (12470, 27652), (12934, 26660), (13330, 25868), (13826, 24940), (17980, 19178)]