247942380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1487}}^1$

素因数の和:1903

約数の個数: 96

約数和(自身を含む): 795949056

約数和(自身を除く): 548006676

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 397, 420, 794, 1191, 1487, 1588, 1985, 2382, 2779, 2974, 3970, 4461, 4764, 5558, 5948, 5955, 7435, 7940, 8337, 8922, 10409, 11116, 11910, 13895, 14870, 16674, 17844, 20818, 22305, 23820, 27790, 29740, 31227, 33348, 41636, 41685, 44610, 52045, 55580, 62454, 83370, 89220, 104090, 124908, 156135, 166740, 208180, 312270, 590339, 624540, 1180678, 1771017, 2361356, 2951695, 3542034, 4132373, 5903390, 7084068, 8264746, 8855085, 11806780, 12397119, 16529492, 17710170, 20661865, 24794238, 35420340, 41323730, 49588476, 61985595, 82647460, 123971190, 247942380]

約数ペア:

[(1, 247942380), (2, 123971190), (3, 82647460), (4, 61985595), (5, 49588476), (6, 41323730), (7, 35420340), (10, 24794238), (12, 20661865), (14, 17710170), (15, 16529492), (20, 12397119), (21, 11806780), (28, 8855085), (30, 8264746), (35, 7084068), (42, 5903390), (60, 4132373), (70, 3542034), (84, 2951695), (105, 2361356), (140, 1771017), (210, 1180678), (397, 624540), (420, 590339), (794, 312270), (1191, 208180), (1487, 166740), (1588, 156135), (1985, 124908), (2382, 104090), (2779, 89220), (2974, 83370), (3970, 62454), (4461, 55580), (4764, 52045), (5558, 44610), (5948, 41685), (5955, 41636), (7435, 33348), (7940, 31227), (8337, 29740), (8922, 27790), (10409, 23820), (11116, 22305), (11910, 20818), (13895, 17844), (14870, 16674)]