274012720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{353}}^1$

素因数の和:710

約数の個数: 80

約数和(自身を含む): 661600512

約数和(自身を除く): 387587792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 313, 353, 496, 620, 626, 706, 1240, 1252, 1412, 1565, 1765, 2480, 2504, 2824, 3130, 3530, 5008, 5648, 6260, 7060, 9703, 10943, 12520, 14120, 19406, 21886, 25040, 28240, 38812, 43772, 48515, 54715, 77624, 87544, 97030, 109430, 110489, 155248, 175088, 194060, 218860, 220978, 388120, 437720, 441956, 552445, 776240, 875440, 883912, 1104890, 1767824, 2209780, 3425159, 4419560, 6850318, 8839120, 13700636, 17125795, 27401272, 34251590, 54802544, 68503180, 137006360, 274012720]

約数ペア:

[(1, 274012720), (2, 137006360), (4, 68503180), (5, 54802544), (8, 34251590), (10, 27401272), (16, 17125795), (20, 13700636), (31, 8839120), (40, 6850318), (62, 4419560), (80, 3425159), (124, 2209780), (155, 1767824), (248, 1104890), (310, 883912), (313, 875440), (353, 776240), (496, 552445), (620, 441956), (626, 437720), (706, 388120), (1240, 220978), (1252, 218860), (1412, 194060), (1565, 175088), (1765, 155248), (2480, 110489), (2504, 109430), (2824, 97030), (3130, 87544), (3530, 77624), (5008, 54715), (5648, 48515), (6260, 43772), (7060, 38812), (9703, 28240), (10943, 25040), (12520, 21886), (14120, 19406)]