166479460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{661}}^1$

素因数の和:941

約数の個数: 72

約数和(自身を含む): 408885624

約数和(自身を除く): 242406164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 257, 490, 514, 661, 980, 1028, 1285, 1322, 1799, 2570, 2644, 3305, 3598, 4627, 5140, 6610, 7196, 8995, 9254, 12593, 13220, 17990, 18508, 23135, 25186, 32389, 35980, 46270, 50372, 62965, 64778, 92540, 125930, 129556, 161945, 169877, 251860, 323890, 339754, 647780, 679508, 849385, 1189139, 1698770, 2378278, 3397540, 4756556, 5945695, 8323973, 11891390, 16647946, 23782780, 33295892, 41619865, 83239730, 166479460]

約数ペア:

[(1, 166479460), (2, 83239730), (4, 41619865), (5, 33295892), (7, 23782780), (10, 16647946), (14, 11891390), (20, 8323973), (28, 5945695), (35, 4756556), (49, 3397540), (70, 2378278), (98, 1698770), (140, 1189139), (196, 849385), (245, 679508), (257, 647780), (490, 339754), (514, 323890), (661, 251860), (980, 169877), (1028, 161945), (1285, 129556), (1322, 125930), (1799, 92540), (2570, 64778), (2644, 62965), (3305, 50372), (3598, 46270), (4627, 35980), (5140, 32389), (6610, 25186), (7196, 23135), (8995, 18508), (9254, 17990), (12593, 13220)]