381952240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{661}}^1$

素因数の和:938

約数の個数: 80

約数和(自身を含む): 922012416

約数和(自身を除く): 540060176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 233, 248, 310, 466, 496, 620, 661, 932, 1165, 1240, 1322, 1864, 2330, 2480, 2644, 3305, 3728, 4660, 5288, 6610, 7223, 9320, 10576, 13220, 14446, 18640, 20491, 26440, 28892, 36115, 40982, 52880, 57784, 72230, 81964, 102455, 115568, 144460, 154013, 163928, 204910, 288920, 308026, 327856, 409820, 577840, 616052, 770065, 819640, 1232104, 1540130, 1639280, 2464208, 3080260, 4774403, 6160520, 9548806, 12321040, 19097612, 23872015, 38195224, 47744030, 76390448, 95488060, 190976120, 381952240]

約数ペア:

[(1, 381952240), (2, 190976120), (4, 95488060), (5, 76390448), (8, 47744030), (10, 38195224), (16, 23872015), (20, 19097612), (31, 12321040), (40, 9548806), (62, 6160520), (80, 4774403), (124, 3080260), (155, 2464208), (233, 1639280), (248, 1540130), (310, 1232104), (466, 819640), (496, 770065), (620, 616052), (661, 577840), (932, 409820), (1165, 327856), (1240, 308026), (1322, 288920), (1864, 204910), (2330, 163928), (2480, 154013), (2644, 144460), (3305, 115568), (3728, 102455), (4660, 81964), (5288, 72230), (6610, 57784), (7223, 52880), (9320, 40982), (10576, 36115), (13220, 28892), (14446, 26440), (18640, 20491)]