284711440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8831}}^1$

素因数の和:8888

約数の個数: 80

約数和(自身を含む): 735952896

約数和(自身を除く): 451241456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 8831, 16120, 17662, 32240, 35324, 44155, 70648, 88310, 114803, 141296, 176620, 229606, 273761, 353240, 459212, 547522, 574015, 706480, 918424, 1095044, 1148030, 1368805, 1836848, 2190088, 2296060, 2737610, 3558893, 4380176, 4592120, 5475220, 7117786, 9184240, 10950440, 14235572, 17794465, 21900880, 28471144, 35588930, 56942288, 71177860, 142355720, 284711440]

約数ペア:

[(1, 284711440), (2, 142355720), (4, 71177860), (5, 56942288), (8, 35588930), (10, 28471144), (13, 21900880), (16, 17794465), (20, 14235572), (26, 10950440), (31, 9184240), (40, 7117786), (52, 5475220), (62, 4592120), (65, 4380176), (80, 3558893), (104, 2737610), (124, 2296060), (130, 2190088), (155, 1836848), (208, 1368805), (248, 1148030), (260, 1095044), (310, 918424), (403, 706480), (496, 574015), (520, 547522), (620, 459212), (806, 353240), (1040, 273761), (1240, 229606), (1612, 176620), (2015, 141296), (2480, 114803), (3224, 88310), (4030, 70648), (6448, 44155), (8060, 35324), (8831, 32240), (16120, 17662)]