291265100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:352

約数の個数: 144

約数和(自身を含む): 766617600

約数和(自身を除く): 475352500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 79, 92, 100, 115, 140, 158, 161, 175, 229, 230, 316, 322, 350, 395, 458, 460, 553, 575, 644, 700, 790, 805, 916, 1106, 1145, 1150, 1580, 1603, 1610, 1817, 1975, 2212, 2290, 2300, 2765, 3206, 3220, 3634, 3950, 4025, 4580, 5267, 5530, 5725, 6412, 7268, 7900, 8015, 8050, 9085, 10534, 11060, 11450, 12719, 13825, 16030, 16100, 18091, 18170, 21068, 22900, 25438, 26335, 27650, 32060, 36182, 36340, 36869, 40075, 45425, 50876, 52670, 55300, 63595, 72364, 73738, 80150, 90455, 90850, 105340, 126637, 127190, 131675, 147476, 160300, 180910, 181700, 184345, 253274, 254380, 263350, 317975, 361820, 368690, 416093, 452275, 506548, 526700, 633185, 635950, 737380, 832186, 904550, 921725, 1266370, 1271900, 1664372, 1809100, 1843450, 2080465, 2532740, 2912651, 3165925, 3686900, 4160930, 5825302, 6331850, 8321860, 10402325, 11650604, 12663700, 14563255, 20804650, 29126510, 41609300, 58253020, 72816275, 145632550, 291265100]

約数ペア:

[(1, 291265100), (2, 145632550), (4, 72816275), (5, 58253020), (7, 41609300), (10, 29126510), (14, 20804650), (20, 14563255), (23, 12663700), (25, 11650604), (28, 10402325), (35, 8321860), (46, 6331850), (50, 5825302), (70, 4160930), (79, 3686900), (92, 3165925), (100, 2912651), (115, 2532740), (140, 2080465), (158, 1843450), (161, 1809100), (175, 1664372), (229, 1271900), (230, 1266370), (316, 921725), (322, 904550), (350, 832186), (395, 737380), (458, 635950), (460, 633185), (553, 526700), (575, 506548), (644, 452275), (700, 416093), (790, 368690), (805, 361820), (916, 317975), (1106, 263350), (1145, 254380), (1150, 253274), (1580, 184345), (1603, 181700), (1610, 180910), (1817, 160300), (1975, 147476), (2212, 131675), (2290, 127190), (2300, 126637), (2765, 105340), (3206, 90850), (3220, 90455), (3634, 80150), (3950, 73738), (4025, 72364), (4580, 63595), (5267, 55300), (5530, 52670), (5725, 50876), (6412, 45425), (7268, 40075), (7900, 36869), (8015, 36340), (8050, 36182), (9085, 32060), (10534, 27650), (11060, 26335), (11450, 25438), (12719, 22900), (13825, 21068), (16030, 18170), (16100, 18091)]