2017178660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{1427}}^1$

素因数の和:1905

約数の個数: 96

約数和(自身を含む): 5066772480

約数和(自身を除く): 3049593820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 439, 460, 644, 805, 878, 1427, 1610, 1756, 2195, 2854, 3073, 3220, 4390, 5708, 6146, 7135, 8780, 9989, 10097, 12292, 14270, 15365, 19978, 20194, 28540, 30730, 32821, 39956, 40388, 49945, 50485, 61460, 65642, 70679, 99890, 100970, 131284, 141358, 164105, 199780, 201940, 229747, 282716, 328210, 353395, 459494, 626453, 656420, 706790, 918988, 1148735, 1252906, 1413580, 2297470, 2505812, 3132265, 4385171, 4594940, 6264530, 8770342, 12529060, 14408419, 17540684, 21925855, 28816838, 43851710, 57633676, 72042095, 87703420, 100858933, 144084190, 201717866, 288168380, 403435732, 504294665, 1008589330, 2017178660]

約数ペア:

[(1, 2017178660), (2, 1008589330), (4, 504294665), (5, 403435732), (7, 288168380), (10, 201717866), (14, 144084190), (20, 100858933), (23, 87703420), (28, 72042095), (35, 57633676), (46, 43851710), (70, 28816838), (92, 21925855), (115, 17540684), (140, 14408419), (161, 12529060), (230, 8770342), (322, 6264530), (439, 4594940), (460, 4385171), (644, 3132265), (805, 2505812), (878, 2297470), (1427, 1413580), (1610, 1252906), (1756, 1148735), (2195, 918988), (2854, 706790), (3073, 656420), (3220, 626453), (4390, 459494), (5708, 353395), (6146, 328210), (7135, 282716), (8780, 229747), (9989, 201940), (10097, 199780), (12292, 164105), (14270, 141358), (15365, 131284), (19978, 100970), (20194, 99890), (28540, 70679), (30730, 65642), (32821, 61460), (39956, 50485), (40388, 49945)]