69765220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{277}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 171707256

約数和(自身を除く): 101942036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 257, 277, 490, 514, 554, 980, 1028, 1108, 1285, 1385, 1799, 1939, 2570, 2770, 3598, 3878, 5140, 5540, 7196, 7756, 8995, 9695, 12593, 13573, 17990, 19390, 25186, 27146, 35980, 38780, 50372, 54292, 62965, 67865, 71189, 125930, 135730, 142378, 251860, 271460, 284756, 355945, 498323, 711890, 996646, 1423780, 1993292, 2491615, 3488261, 4983230, 6976522, 9966460, 13953044, 17441305, 34882610, 69765220]

約数ペア:

[(1, 69765220), (2, 34882610), (4, 17441305), (5, 13953044), (7, 9966460), (10, 6976522), (14, 4983230), (20, 3488261), (28, 2491615), (35, 1993292), (49, 1423780), (70, 996646), (98, 711890), (140, 498323), (196, 355945), (245, 284756), (257, 271460), (277, 251860), (490, 142378), (514, 135730), (554, 125930), (980, 71189), (1028, 67865), (1108, 62965), (1285, 54292), (1385, 50372), (1799, 38780), (1939, 35980), (2570, 27146), (2770, 25186), (3598, 19390), (3878, 17990), (5140, 13573), (5540, 12593), (7196, 9695), (7756, 8995)]