74871400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 197716140

約数和(自身を除く): 122844740

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 25, 34, 38, 40, 50, 61, 68, 76, 85, 95, 100, 122, 136, 152, 170, 190, 200, 244, 305, 323, 340, 361, 380, 425, 475, 488, 610, 646, 680, 722, 760, 850, 950, 1037, 1159, 1220, 1292, 1444, 1525, 1615, 1700, 1805, 1900, 2074, 2318, 2440, 2584, 2888, 3050, 3230, 3400, 3610, 3800, 4148, 4636, 5185, 5795, 6100, 6137, 6460, 7220, 8075, 8296, 9025, 9272, 10370, 11590, 12200, 12274, 12920, 14440, 16150, 18050, 19703, 20740, 22021, 23180, 24548, 25925, 28975, 30685, 32300, 36100, 39406, 41480, 44042, 46360, 49096, 51850, 57950, 61370, 64600, 72200, 78812, 88084, 98515, 103700, 110105, 115900, 122740, 153425, 157624, 176168, 197030, 207400, 220210, 231800, 245480, 306850, 374357, 394060, 440420, 492575, 550525, 613700, 748714, 788120, 880840, 985150, 1101050, 1227400, 1497428, 1871785, 1970300, 2202100, 2994856, 3743570, 3940600, 4404200, 7487140, 9358925, 14974280, 18717850, 37435700, 74871400]

約数ペア:

[(1, 74871400), (2, 37435700), (4, 18717850), (5, 14974280), (8, 9358925), (10, 7487140), (17, 4404200), (19, 3940600), (20, 3743570), (25, 2994856), (34, 2202100), (38, 1970300), (40, 1871785), (50, 1497428), (61, 1227400), (68, 1101050), (76, 985150), (85, 880840), (95, 788120), (100, 748714), (122, 613700), (136, 550525), (152, 492575), (170, 440420), (190, 394060), (200, 374357), (244, 306850), (305, 245480), (323, 231800), (340, 220210), (361, 207400), (380, 197030), (425, 176168), (475, 157624), (488, 153425), (610, 122740), (646, 115900), (680, 110105), (722, 103700), (760, 98515), (850, 88084), (950, 78812), (1037, 72200), (1159, 64600), (1220, 61370), (1292, 57950), (1444, 51850), (1525, 49096), (1615, 46360), (1700, 44042), (1805, 41480), (1900, 39406), (2074, 36100), (2318, 32300), (2440, 30685), (2584, 28975), (2888, 25925), (3050, 24548), (3230, 23180), (3400, 22021), (3610, 20740), (3800, 19703), (4148, 18050), (4636, 16150), (5185, 14440), (5795, 12920), (6100, 12274), (6137, 12200), (6460, 11590), (7220, 10370), (8075, 9272), (8296, 9025)]