397994480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{22511}}^1$

素因数の和:22554

約数の個数: 80

約数和(自身を含む): 1055182464

約数和(自身を除く): 657187984

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840, 17680, 22511, 45022, 90044, 112555, 180088, 225110, 292643, 360176, 382687, 450220, 585286, 765374, 900440, 1170572, 1463215, 1530748, 1800880, 1913435, 2341144, 2926430, 3061496, 3826870, 4682288, 4974931, 5852860, 6122992, 7653740, 9949862, 11705720, 15307480, 19899724, 23411440, 24874655, 30614960, 39799448, 49749310, 79598896, 99498620, 198997240, 397994480]

約数ペア:

[(1, 397994480), (2, 198997240), (4, 99498620), (5, 79598896), (8, 49749310), (10, 39799448), (13, 30614960), (16, 24874655), (17, 23411440), (20, 19899724), (26, 15307480), (34, 11705720), (40, 9949862), (52, 7653740), (65, 6122992), (68, 5852860), (80, 4974931), (85, 4682288), (104, 3826870), (130, 3061496), (136, 2926430), (170, 2341144), (208, 1913435), (221, 1800880), (260, 1530748), (272, 1463215), (340, 1170572), (442, 900440), (520, 765374), (680, 585286), (884, 450220), (1040, 382687), (1105, 360176), (1360, 292643), (1768, 225110), (2210, 180088), (3536, 112555), (4420, 90044), (8840, 45022), (17680, 22511)]