139259440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{241}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 337049856

約数和(自身を除く): 197790416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 233, 241, 248, 310, 466, 482, 496, 620, 932, 964, 1165, 1205, 1240, 1864, 1928, 2330, 2410, 2480, 3728, 3856, 4660, 4820, 7223, 7471, 9320, 9640, 14446, 14942, 18640, 19280, 28892, 29884, 36115, 37355, 56153, 57784, 59768, 72230, 74710, 112306, 115568, 119536, 144460, 149420, 224612, 280765, 288920, 298840, 449224, 561530, 577840, 597680, 898448, 1123060, 1740743, 2246120, 3481486, 4492240, 6962972, 8703715, 13925944, 17407430, 27851888, 34814860, 69629720, 139259440]

約数ペア:

[(1, 139259440), (2, 69629720), (4, 34814860), (5, 27851888), (8, 17407430), (10, 13925944), (16, 8703715), (20, 6962972), (31, 4492240), (40, 3481486), (62, 2246120), (80, 1740743), (124, 1123060), (155, 898448), (233, 597680), (241, 577840), (248, 561530), (310, 449224), (466, 298840), (482, 288920), (496, 280765), (620, 224612), (932, 149420), (964, 144460), (1165, 119536), (1205, 115568), (1240, 112306), (1864, 74710), (1928, 72230), (2330, 59768), (2410, 57784), (2480, 56153), (3728, 37355), (3856, 36115), (4660, 29884), (4820, 28892), (7223, 19280), (7471, 18640), (9320, 14942), (9640, 14446)]