77715890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{823}}^1$

素因数の和:927

約数の個数: 64

約数和(自身を含む): 170864640

約数和(自身を除く): 93148750

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 71, 95, 133, 142, 190, 266, 355, 497, 665, 710, 823, 994, 1330, 1349, 1646, 2485, 2698, 4115, 4970, 5761, 6745, 8230, 9443, 11522, 13490, 15637, 18886, 28805, 31274, 47215, 57610, 58433, 78185, 94430, 109459, 116866, 156370, 218918, 292165, 409031, 547295, 584330, 818062, 1094590, 1110227, 2045155, 2220454, 4090310, 5551135, 7771589, 11102270, 15543178, 38857945, 77715890]

約数ペア:

[(1, 77715890), (2, 38857945), (5, 15543178), (7, 11102270), (10, 7771589), (14, 5551135), (19, 4090310), (35, 2220454), (38, 2045155), (70, 1110227), (71, 1094590), (95, 818062), (133, 584330), (142, 547295), (190, 409031), (266, 292165), (355, 218918), (497, 156370), (665, 116866), (710, 109459), (823, 94430), (994, 78185), (1330, 58433), (1349, 57610), (1646, 47215), (2485, 31274), (2698, 28805), (4115, 18886), (4970, 15637), (5761, 13490), (6745, 11522), (8230, 9443)]