7977900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 27498240

約数和(自身を除く): 19520340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 29, 30, 35, 42, 50, 58, 60, 70, 75, 84, 87, 100, 105, 116, 131, 140, 145, 150, 174, 175, 203, 210, 262, 290, 300, 348, 350, 393, 406, 420, 435, 524, 525, 580, 609, 655, 700, 725, 786, 812, 870, 917, 1015, 1050, 1218, 1310, 1450, 1572, 1740, 1834, 1965, 2030, 2100, 2175, 2436, 2620, 2751, 2900, 3045, 3275, 3668, 3799, 3930, 4060, 4350, 4585, 5075, 5502, 6090, 6550, 7598, 7860, 8700, 9170, 9825, 10150, 11004, 11397, 12180, 13100, 13755, 15196, 15225, 18340, 18995, 19650, 20300, 22794, 22925, 26593, 27510, 30450, 37990, 39300, 45588, 45850, 53186, 55020, 56985, 60900, 68775, 75980, 79779, 91700, 94975, 106372, 113970, 132965, 137550, 159558, 189950, 227940, 265930, 275100, 284925, 319116, 379900, 398895, 531860, 569850, 664825, 797790, 1139700, 1329650, 1595580, 1994475, 2659300, 3988950, 7977900]

約数ペア:

[(1, 7977900), (2, 3988950), (3, 2659300), (4, 1994475), (5, 1595580), (6, 1329650), (7, 1139700), (10, 797790), (12, 664825), (14, 569850), (15, 531860), (20, 398895), (21, 379900), (25, 319116), (28, 284925), (29, 275100), (30, 265930), (35, 227940), (42, 189950), (50, 159558), (58, 137550), (60, 132965), (70, 113970), (75, 106372), (84, 94975), (87, 91700), (100, 79779), (105, 75980), (116, 68775), (131, 60900), (140, 56985), (145, 55020), (150, 53186), (174, 45850), (175, 45588), (203, 39300), (210, 37990), (262, 30450), (290, 27510), (300, 26593), (348, 22925), (350, 22794), (393, 20300), (406, 19650), (420, 18995), (435, 18340), (524, 15225), (525, 15196), (580, 13755), (609, 13100), (655, 12180), (700, 11397), (725, 11004), (786, 10150), (812, 9825), (870, 9170), (917, 8700), (1015, 7860), (1050, 7598), (1218, 6550), (1310, 6090), (1450, 5502), (1572, 5075), (1740, 4585), (1834, 4350), (1965, 4060), (2030, 3930), (2100, 3799), (2175, 3668), (2436, 3275), (2620, 3045), (2751, 2900)]