289871820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7933}}^1$

素因数の和:7984

約数の個数: 144

約数和(自身を含む): 1039671360

約数和(自身を除く): 749799540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 84, 87, 90, 105, 116, 126, 140, 145, 174, 180, 203, 210, 252, 261, 290, 315, 348, 406, 420, 435, 522, 580, 609, 630, 812, 870, 1015, 1044, 1218, 1260, 1305, 1740, 1827, 2030, 2436, 2610, 3045, 3654, 4060, 5220, 6090, 7308, 7933, 9135, 12180, 15866, 18270, 23799, 31732, 36540, 39665, 47598, 55531, 71397, 79330, 95196, 111062, 118995, 142794, 158660, 166593, 222124, 230057, 237990, 277655, 285588, 333186, 356985, 460114, 475980, 499779, 555310, 666372, 690171, 713970, 832965, 920228, 999558, 1110620, 1150285, 1380342, 1427940, 1610399, 1665930, 1999116, 2070513, 2300570, 2498895, 2760684, 3220798, 3331860, 3450855, 4141026, 4601140, 4831197, 4997790, 6441596, 6901710, 8051995, 8282052, 9662394, 9995580, 10352565, 13803420, 14493591, 16103990, 19324788, 20705130, 24155985, 28987182, 32207980, 41410260, 48311970, 57974364, 72467955, 96623940, 144935910, 289871820]

約数ペア:

[(1, 289871820), (2, 144935910), (3, 96623940), (4, 72467955), (5, 57974364), (6, 48311970), (7, 41410260), (9, 32207980), (10, 28987182), (12, 24155985), (14, 20705130), (15, 19324788), (18, 16103990), (20, 14493591), (21, 13803420), (28, 10352565), (29, 9995580), (30, 9662394), (35, 8282052), (36, 8051995), (42, 6901710), (45, 6441596), (58, 4997790), (60, 4831197), (63, 4601140), (70, 4141026), (84, 3450855), (87, 3331860), (90, 3220798), (105, 2760684), (116, 2498895), (126, 2300570), (140, 2070513), (145, 1999116), (174, 1665930), (180, 1610399), (203, 1427940), (210, 1380342), (252, 1150285), (261, 1110620), (290, 999558), (315, 920228), (348, 832965), (406, 713970), (420, 690171), (435, 666372), (522, 555310), (580, 499779), (609, 475980), (630, 460114), (812, 356985), (870, 333186), (1015, 285588), (1044, 277655), (1218, 237990), (1260, 230057), (1305, 222124), (1740, 166593), (1827, 158660), (2030, 142794), (2436, 118995), (2610, 111062), (3045, 95196), (3654, 79330), (4060, 71397), (5220, 55531), (6090, 47598), (7308, 39665), (7933, 36540), (9135, 31732), (12180, 23799), (15866, 18270)]