140132860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{269}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 343193760

約数和(自身を除く): 203060900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 269, 305, 427, 538, 610, 854, 1076, 1220, 1345, 1708, 1883, 2135, 2690, 3721, 3766, 4270, 5380, 7442, 7532, 8540, 9415, 14884, 16409, 18605, 18830, 26047, 32818, 37210, 37660, 52094, 65636, 74420, 82045, 104188, 114863, 130235, 164090, 229726, 260470, 328180, 459452, 520940, 574315, 1000949, 1148630, 2001898, 2297260, 4003796, 5004745, 7006643, 10009490, 14013286, 20018980, 28026572, 35033215, 70066430, 140132860]

約数ペア:

[(1, 140132860), (2, 70066430), (4, 35033215), (5, 28026572), (7, 20018980), (10, 14013286), (14, 10009490), (20, 7006643), (28, 5004745), (35, 4003796), (61, 2297260), (70, 2001898), (122, 1148630), (140, 1000949), (244, 574315), (269, 520940), (305, 459452), (427, 328180), (538, 260470), (610, 229726), (854, 164090), (1076, 130235), (1220, 114863), (1345, 104188), (1708, 82045), (1883, 74420), (2135, 65636), (2690, 52094), (3721, 37660), (3766, 37210), (4270, 32818), (5380, 26047), (7442, 18830), (7532, 18605), (8540, 16409), (9415, 14884)]