7854016940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{728573}}^1$

素因数の和:728607

約数の個数: 72

約数和(自身を含む): 20930473872

約数和(自身を除く): 13076456932

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 728573, 1457146, 2914292, 3642865, 5100011, 7285730, 8014303, 10200022, 14571460, 16028606, 20400044, 25500055, 32057212, 35700077, 40071515, 51000110, 56100121, 71400154, 80143030, 102000220, 112200242, 142800308, 160286060, 178500385, 224400484, 280500605, 357000770, 392700847, 561001210, 714001540, 785401694, 1122002420, 1570803388, 1963504235, 3927008470, 7854016940]

約数ペア:

[(1, 7854016940), (2, 3927008470), (4, 1963504235), (5, 1570803388), (7, 1122002420), (10, 785401694), (11, 714001540), (14, 561001210), (20, 392700847), (22, 357000770), (28, 280500605), (35, 224400484), (44, 178500385), (49, 160286060), (55, 142800308), (70, 112200242), (77, 102000220), (98, 80143030), (110, 71400154), (140, 56100121), (154, 51000110), (196, 40071515), (220, 35700077), (245, 32057212), (308, 25500055), (385, 20400044), (490, 16028606), (539, 14571460), (770, 10200022), (980, 8014303), (1078, 7285730), (1540, 5100011), (2156, 3642865), (2695, 2914292), (5390, 1457146), (10780, 728573)]