285538120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{269}}^1$

素因数の和:527

約数の個数: 128

約数和(自身を含む): 783820800

約数和(自身を除く): 498282680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 223, 238, 269, 280, 340, 446, 476, 538, 595, 680, 892, 952, 1076, 1115, 1190, 1345, 1561, 1784, 1883, 2152, 2230, 2380, 2690, 3122, 3766, 3791, 4460, 4573, 4760, 5380, 6244, 7532, 7582, 7805, 8920, 9146, 9415, 10760, 12488, 15064, 15164, 15610, 18292, 18830, 18955, 22865, 26537, 30328, 31220, 32011, 36584, 37660, 37910, 45730, 53074, 59987, 62440, 64022, 75320, 75820, 91460, 106148, 119974, 128044, 132685, 151640, 160055, 182920, 212296, 239948, 256088, 265370, 299935, 320110, 419909, 479896, 530740, 599870, 640220, 839818, 1019779, 1061480, 1199740, 1280440, 1679636, 2039558, 2099545, 2399480, 3359272, 4079116, 4199090, 5098895, 7138453, 8158232, 8398180, 10197790, 14276906, 16796360, 20395580, 28553812, 35692265, 40791160, 57107624, 71384530, 142769060, 285538120]

約数ペア:

[(1, 285538120), (2, 142769060), (4, 71384530), (5, 57107624), (7, 40791160), (8, 35692265), (10, 28553812), (14, 20395580), (17, 16796360), (20, 14276906), (28, 10197790), (34, 8398180), (35, 8158232), (40, 7138453), (56, 5098895), (68, 4199090), (70, 4079116), (85, 3359272), (119, 2399480), (136, 2099545), (140, 2039558), (170, 1679636), (223, 1280440), (238, 1199740), (269, 1061480), (280, 1019779), (340, 839818), (446, 640220), (476, 599870), (538, 530740), (595, 479896), (680, 419909), (892, 320110), (952, 299935), (1076, 265370), (1115, 256088), (1190, 239948), (1345, 212296), (1561, 182920), (1784, 160055), (1883, 151640), (2152, 132685), (2230, 128044), (2380, 119974), (2690, 106148), (3122, 91460), (3766, 75820), (3791, 75320), (4460, 64022), (4573, 62440), (4760, 59987), (5380, 53074), (6244, 45730), (7532, 37910), (7582, 37660), (7805, 36584), (8920, 32011), (9146, 31220), (9415, 30328), (10760, 26537), (12488, 22865), (15064, 18955), (15164, 18830), (15610, 18292)]