28280910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{983}}^1$

素因数の和:1137

約数の個数: 64

約数和(自身を含む): 78216192

約数和(自身を除く): 49935282

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 137, 210, 274, 411, 685, 822, 959, 983, 1370, 1918, 1966, 2055, 2877, 2949, 4110, 4795, 4915, 5754, 5898, 6881, 9590, 9830, 13762, 14385, 14745, 20643, 28770, 29490, 34405, 41286, 68810, 103215, 134671, 206430, 269342, 404013, 673355, 808026, 942697, 1346710, 1885394, 2020065, 2828091, 4040130, 4713485, 5656182, 9426970, 14140455, 28280910]

約数ペア:

[(1, 28280910), (2, 14140455), (3, 9426970), (5, 5656182), (6, 4713485), (7, 4040130), (10, 2828091), (14, 2020065), (15, 1885394), (21, 1346710), (30, 942697), (35, 808026), (42, 673355), (70, 404013), (105, 269342), (137, 206430), (210, 134671), (274, 103215), (411, 68810), (685, 41286), (822, 34405), (959, 29490), (983, 28770), (1370, 20643), (1918, 14745), (1966, 14385), (2055, 13762), (2877, 9830), (2949, 9590), (4110, 6881), (4795, 5898), (4915, 5754)]