168977900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:664

約数の個数: 144

約数和(自身を含む): 466636800

約数和(自身を除く): 297658900

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 31, 35, 50, 52, 62, 65, 70, 91, 100, 124, 130, 140, 155, 175, 182, 217, 260, 310, 325, 350, 364, 403, 434, 455, 599, 620, 650, 700, 775, 806, 868, 910, 1085, 1198, 1300, 1550, 1612, 1820, 2015, 2170, 2275, 2396, 2821, 2995, 3100, 4030, 4193, 4340, 4550, 5425, 5642, 5990, 7787, 8060, 8386, 9100, 10075, 10850, 11284, 11980, 14105, 14975, 15574, 16772, 18569, 20150, 20965, 21700, 28210, 29950, 31148, 37138, 38935, 40300, 41930, 54509, 56420, 59900, 70525, 74276, 77870, 83860, 92845, 104825, 109018, 129983, 141050, 155740, 185690, 194675, 209650, 218036, 241397, 259966, 272545, 282100, 371380, 389350, 419300, 464225, 482794, 519932, 545090, 649915, 778700, 928450, 965588, 1090180, 1206985, 1299830, 1362725, 1689779, 1856900, 2413970, 2599660, 2725450, 3249575, 3379558, 4827940, 5450900, 6034925, 6499150, 6759116, 8448895, 12069850, 12998300, 16897790, 24139700, 33795580, 42244475, 84488950, 168977900]

約数ペア:

[(1, 168977900), (2, 84488950), (4, 42244475), (5, 33795580), (7, 24139700), (10, 16897790), (13, 12998300), (14, 12069850), (20, 8448895), (25, 6759116), (26, 6499150), (28, 6034925), (31, 5450900), (35, 4827940), (50, 3379558), (52, 3249575), (62, 2725450), (65, 2599660), (70, 2413970), (91, 1856900), (100, 1689779), (124, 1362725), (130, 1299830), (140, 1206985), (155, 1090180), (175, 965588), (182, 928450), (217, 778700), (260, 649915), (310, 545090), (325, 519932), (350, 482794), (364, 464225), (403, 419300), (434, 389350), (455, 371380), (599, 282100), (620, 272545), (650, 259966), (700, 241397), (775, 218036), (806, 209650), (868, 194675), (910, 185690), (1085, 155740), (1198, 141050), (1300, 129983), (1550, 109018), (1612, 104825), (1820, 92845), (2015, 83860), (2170, 77870), (2275, 74276), (2396, 70525), (2821, 59900), (2995, 56420), (3100, 54509), (4030, 41930), (4193, 40300), (4340, 38935), (4550, 37138), (5425, 31148), (5642, 29950), (5990, 28210), (7787, 21700), (8060, 20965), (8386, 20150), (9100, 18569), (10075, 16772), (10850, 15574), (11284, 14975), (11980, 14105)]