394967440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5303}}^1$

素因数の和:5349

約数の個数: 120

約数和(自身を含む): 1124660160

約数和(自身を除く): 729692720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 280, 304, 380, 392, 490, 532, 560, 665, 760, 784, 931, 980, 1064, 1330, 1520, 1862, 1960, 2128, 2660, 3724, 3920, 4655, 5303, 5320, 7448, 9310, 10606, 10640, 14896, 18620, 21212, 26515, 37121, 37240, 42424, 53030, 74242, 74480, 84848, 100757, 106060, 148484, 185605, 201514, 212120, 259847, 296968, 371210, 403028, 424240, 503785, 519694, 593936, 705299, 742420, 806056, 1007570, 1039388, 1299235, 1410598, 1484840, 1612112, 2015140, 2078776, 2598470, 2821196, 2969680, 3526495, 4030280, 4157552, 4937093, 5196940, 5642392, 7052990, 8060560, 9874186, 10393880, 11284784, 14105980, 19748372, 20787760, 24685465, 28211960, 39496744, 49370930, 56423920, 78993488, 98741860, 197483720, 394967440]

約数ペア:

[(1, 394967440), (2, 197483720), (4, 98741860), (5, 78993488), (7, 56423920), (8, 49370930), (10, 39496744), (14, 28211960), (16, 24685465), (19, 20787760), (20, 19748372), (28, 14105980), (35, 11284784), (38, 10393880), (40, 9874186), (49, 8060560), (56, 7052990), (70, 5642392), (76, 5196940), (80, 4937093), (95, 4157552), (98, 4030280), (112, 3526495), (133, 2969680), (140, 2821196), (152, 2598470), (190, 2078776), (196, 2015140), (245, 1612112), (266, 1484840), (280, 1410598), (304, 1299235), (380, 1039388), (392, 1007570), (490, 806056), (532, 742420), (560, 705299), (665, 593936), (760, 519694), (784, 503785), (931, 424240), (980, 403028), (1064, 371210), (1330, 296968), (1520, 259847), (1862, 212120), (1960, 201514), (2128, 185605), (2660, 148484), (3724, 106060), (3920, 100757), (4655, 84848), (5303, 74480), (5320, 74242), (7448, 53030), (9310, 42424), (10606, 37240), (10640, 37121), (14896, 26515), (18620, 21212)]