40394900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 113159424

約数和(自身を除く): 72764524

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 25, 26, 28, 35, 46, 50, 52, 65, 70, 91, 92, 100, 115, 130, 140, 161, 175, 182, 193, 230, 260, 299, 322, 325, 350, 364, 386, 455, 460, 575, 598, 644, 650, 700, 772, 805, 910, 965, 1150, 1196, 1300, 1351, 1495, 1610, 1820, 1930, 2093, 2275, 2300, 2509, 2702, 2990, 3220, 3860, 4025, 4186, 4439, 4550, 4825, 5018, 5404, 5980, 6755, 7475, 8050, 8372, 8878, 9100, 9650, 10036, 10465, 12545, 13510, 14950, 16100, 17563, 17756, 19300, 20930, 22195, 25090, 27020, 29900, 31073, 33775, 35126, 41860, 44390, 50180, 52325, 57707, 62146, 62725, 67550, 70252, 87815, 88780, 104650, 110975, 115414, 124292, 125450, 135100, 155365, 175630, 209300, 221950, 230828, 250900, 288535, 310730, 351260, 403949, 439075, 443900, 577070, 621460, 776825, 807898, 878150, 1154140, 1442675, 1553650, 1615796, 1756300, 2019745, 2885350, 3107300, 4039490, 5770700, 8078980, 10098725, 20197450, 40394900]

約数ペア:

[(1, 40394900), (2, 20197450), (4, 10098725), (5, 8078980), (7, 5770700), (10, 4039490), (13, 3107300), (14, 2885350), (20, 2019745), (23, 1756300), (25, 1615796), (26, 1553650), (28, 1442675), (35, 1154140), (46, 878150), (50, 807898), (52, 776825), (65, 621460), (70, 577070), (91, 443900), (92, 439075), (100, 403949), (115, 351260), (130, 310730), (140, 288535), (161, 250900), (175, 230828), (182, 221950), (193, 209300), (230, 175630), (260, 155365), (299, 135100), (322, 125450), (325, 124292), (350, 115414), (364, 110975), (386, 104650), (455, 88780), (460, 87815), (575, 70252), (598, 67550), (644, 62725), (650, 62146), (700, 57707), (772, 52325), (805, 50180), (910, 44390), (965, 41860), (1150, 35126), (1196, 33775), (1300, 31073), (1351, 29900), (1495, 27020), (1610, 25090), (1820, 22195), (1930, 20930), (2093, 19300), (2275, 17756), (2300, 17563), (2509, 16100), (2702, 14950), (2990, 13510), (3220, 12545), (3860, 10465), (4025, 10036), (4186, 9650), (4439, 9100), (4550, 8878), (4825, 8372), (5018, 8050), (5404, 7475), (5980, 6755)]