157418440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{431}}^1$

素因数の和:862

約数の個数: 64

約数和(自身を含む): 371381760

約数和(自身を除く): 213963320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 397, 431, 460, 794, 862, 920, 1588, 1724, 1985, 2155, 3176, 3448, 3970, 4310, 7940, 8620, 9131, 9913, 15880, 17240, 18262, 19826, 36524, 39652, 45655, 49565, 73048, 79304, 91310, 99130, 171107, 182620, 198260, 342214, 365240, 396520, 684428, 855535, 1368856, 1711070, 3422140, 3935461, 6844280, 7870922, 15741844, 19677305, 31483688, 39354610, 78709220, 157418440]

約数ペア:

[(1, 157418440), (2, 78709220), (4, 39354610), (5, 31483688), (8, 19677305), (10, 15741844), (20, 7870922), (23, 6844280), (40, 3935461), (46, 3422140), (92, 1711070), (115, 1368856), (184, 855535), (230, 684428), (397, 396520), (431, 365240), (460, 342214), (794, 198260), (862, 182620), (920, 171107), (1588, 99130), (1724, 91310), (1985, 79304), (2155, 73048), (3176, 49565), (3448, 45655), (3970, 39652), (4310, 36524), (7940, 19826), (8620, 18262), (9131, 17240), (9913, 15880)]