2045021720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{38239}}^1$

素因数の和:38448

約数の個数: 64

約数和(自身を含む): 5286297600

約数和(自身を除く): 3241275880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 191, 280, 382, 764, 955, 1337, 1528, 1910, 2674, 3820, 5348, 6685, 7640, 10696, 13370, 26740, 38239, 53480, 76478, 152956, 191195, 267673, 305912, 382390, 535346, 764780, 1070692, 1338365, 1529560, 2141384, 2676730, 5353460, 7303649, 10706920, 14607298, 29214596, 36518245, 51125543, 58429192, 73036490, 102251086, 146072980, 204502172, 255627715, 292145960, 409004344, 511255430, 1022510860, 2045021720]

約数ペア:

[(1, 2045021720), (2, 1022510860), (4, 511255430), (5, 409004344), (7, 292145960), (8, 255627715), (10, 204502172), (14, 146072980), (20, 102251086), (28, 73036490), (35, 58429192), (40, 51125543), (56, 36518245), (70, 29214596), (140, 14607298), (191, 10706920), (280, 7303649), (382, 5353460), (764, 2676730), (955, 2141384), (1337, 1529560), (1528, 1338365), (1910, 1070692), (2674, 764780), (3820, 535346), (5348, 382390), (6685, 305912), (7640, 267673), (10696, 191195), (13370, 152956), (26740, 76478), (38239, 53480)]