809833250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2141}}^1$

素因数の和:2264

約数の個数: 64

約数和(自身を含む): 1623978720

約数和(自身を除く): 814145470

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 89, 125, 170, 178, 250, 425, 445, 850, 890, 1513, 2125, 2141, 2225, 3026, 4250, 4282, 4450, 7565, 10705, 11125, 15130, 21410, 22250, 36397, 37825, 53525, 72794, 75650, 107050, 181985, 189125, 190549, 267625, 363970, 378250, 381098, 535250, 909925, 952745, 1819850, 1905490, 3239333, 4549625, 4763725, 6478666, 9099250, 9527450, 16196665, 23818625, 32393330, 47637250, 80983325, 161966650, 404916625, 809833250]

約数ペア:

[(1, 809833250), (2, 404916625), (5, 161966650), (10, 80983325), (17, 47637250), (25, 32393330), (34, 23818625), (50, 16196665), (85, 9527450), (89, 9099250), (125, 6478666), (170, 4763725), (178, 4549625), (250, 3239333), (425, 1905490), (445, 1819850), (850, 952745), (890, 909925), (1513, 535250), (2125, 381098), (2141, 378250), (2225, 363970), (3026, 267625), (4250, 190549), (4282, 189125), (4450, 181985), (7565, 107050), (10705, 75650), (11125, 72794), (15130, 53525), (21410, 37825), (22250, 36397)]