990559360

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1741}}^1$

素因数の和:1894

約数の個数: 128

約数和(自身を含む): 2729226240

約数和(自身を除く): 1738666880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 140, 160, 224, 254, 280, 320, 448, 508, 560, 635, 640, 889, 896, 1016, 1120, 1270, 1741, 1778, 2032, 2240, 2540, 3482, 3556, 4064, 4445, 4480, 5080, 6964, 7112, 8128, 8705, 8890, 10160, 12187, 13928, 14224, 16256, 17410, 17780, 20320, 24374, 27856, 28448, 34820, 35560, 40640, 48748, 55712, 56896, 60935, 69640, 71120, 81280, 97496, 111424, 113792, 121870, 139280, 142240, 194992, 221107, 222848, 243740, 278560, 284480, 389984, 442214, 487480, 557120, 568960, 779968, 884428, 974960, 1105535, 1114240, 1547749, 1559936, 1768856, 1949920, 2211070, 3095498, 3537712, 3899840, 4422140, 6190996, 7075424, 7738745, 7799680, 8844280, 12381992, 14150848, 15477490, 17688560, 24763984, 28301696, 30954980, 35377120, 49527968, 61909960, 70754240, 99055936, 123819920, 141508480, 198111872, 247639840, 495279680, 990559360]

約数ペア:

[(1, 990559360), (2, 495279680), (4, 247639840), (5, 198111872), (7, 141508480), (8, 123819920), (10, 99055936), (14, 70754240), (16, 61909960), (20, 49527968), (28, 35377120), (32, 30954980), (35, 28301696), (40, 24763984), (56, 17688560), (64, 15477490), (70, 14150848), (80, 12381992), (112, 8844280), (127, 7799680), (128, 7738745), (140, 7075424), (160, 6190996), (224, 4422140), (254, 3899840), (280, 3537712), (320, 3095498), (448, 2211070), (508, 1949920), (560, 1768856), (635, 1559936), (640, 1547749), (889, 1114240), (896, 1105535), (1016, 974960), (1120, 884428), (1270, 779968), (1741, 568960), (1778, 557120), (2032, 487480), (2240, 442214), (2540, 389984), (3482, 284480), (3556, 278560), (4064, 243740), (4445, 222848), (4480, 221107), (5080, 194992), (6964, 142240), (7112, 139280), (8128, 121870), (8705, 113792), (8890, 111424), (10160, 97496), (12187, 81280), (13928, 71120), (14224, 69640), (16256, 60935), (17410, 56896), (17780, 55712), (20320, 48748), (24374, 40640), (27856, 35560), (28448, 34820)]