28074900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:514

約数の個数: 144

約数和(自身を含む): 96243840

約数和(自身を除く): 68168940

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, 140, 145, 150, 174, 175, 203, 210, 290, 300, 348, 350, 406, 420, 435, 461, 525, 580, 609, 700, 725, 812, 870, 922, 1015, 1050, 1218, 1383, 1450, 1740, 1844, 2030, 2100, 2175, 2305, 2436, 2766, 2900, 3045, 3227, 4060, 4350, 4610, 5075, 5532, 6090, 6454, 6915, 8700, 9220, 9681, 10150, 11525, 12180, 12908, 13369, 13830, 15225, 16135, 19362, 20300, 23050, 26738, 27660, 30450, 32270, 34575, 38724, 40107, 46100, 48405, 53476, 60900, 64540, 66845, 69150, 80214, 80675, 93583, 96810, 133690, 138300, 160428, 161350, 187166, 193620, 200535, 242025, 267380, 280749, 322700, 334225, 374332, 401070, 467915, 484050, 561498, 668450, 802140, 935830, 968100, 1002675, 1122996, 1336900, 1403745, 1871660, 2005350, 2339575, 2807490, 4010700, 4679150, 5614980, 7018725, 9358300, 14037450, 28074900]

約数ペア:

[(1, 28074900), (2, 14037450), (3, 9358300), (4, 7018725), (5, 5614980), (6, 4679150), (7, 4010700), (10, 2807490), (12, 2339575), (14, 2005350), (15, 1871660), (20, 1403745), (21, 1336900), (25, 1122996), (28, 1002675), (29, 968100), (30, 935830), (35, 802140), (42, 668450), (50, 561498), (58, 484050), (60, 467915), (70, 401070), (75, 374332), (84, 334225), (87, 322700), (100, 280749), (105, 267380), (116, 242025), (140, 200535), (145, 193620), (150, 187166), (174, 161350), (175, 160428), (203, 138300), (210, 133690), (290, 96810), (300, 93583), (348, 80675), (350, 80214), (406, 69150), (420, 66845), (435, 64540), (461, 60900), (525, 53476), (580, 48405), (609, 46100), (700, 40107), (725, 38724), (812, 34575), (870, 32270), (922, 30450), (1015, 27660), (1050, 26738), (1218, 23050), (1383, 20300), (1450, 19362), (1740, 16135), (1844, 15225), (2030, 13830), (2100, 13369), (2175, 12908), (2305, 12180), (2436, 11525), (2766, 10150), (2900, 9681), (3045, 9220), (3227, 8700), (4060, 6915), (4350, 6454), (4610, 6090), (5075, 5532)]