205919460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{49739}}^1$

素因数の和:49777

約数の個数: 72

約数和(自身を含む): 651792960

約数和(自身を除く): 445873500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 49739, 99478, 149217, 198956, 248695, 298434, 447651, 497390, 596868, 746085, 895302, 994780, 1143997, 1492170, 1790604, 2238255, 2287994, 2984340, 3431991, 4476510, 4575988, 5719985, 6863982, 8953020, 10295973, 11439970, 13727964, 17159955, 20591946, 22879940, 34319910, 41183892, 51479865, 68639820, 102959730, 205919460]

約数ペア:

[(1, 205919460), (2, 102959730), (3, 68639820), (4, 51479865), (5, 41183892), (6, 34319910), (9, 22879940), (10, 20591946), (12, 17159955), (15, 13727964), (18, 11439970), (20, 10295973), (23, 8953020), (30, 6863982), (36, 5719985), (45, 4575988), (46, 4476510), (60, 3431991), (69, 2984340), (90, 2287994), (92, 2238255), (115, 1790604), (138, 1492170), (180, 1143997), (207, 994780), (230, 895302), (276, 746085), (345, 596868), (414, 497390), (460, 447651), (690, 298434), (828, 248695), (1035, 198956), (1380, 149217), (2070, 99478), (4140, 49739)]